Epiphytic diatoms (Diatomeae) from Piraquara II urban reservoir, Paraná state

Marra, Raquel Cristina; Tremarin, Priscila Izabel; Algarte, Vanessa Majewski; Ludwig, Thelma Veiga

doi:10.1590/1676-0611-BN-2016-0200

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inventory • Biota Neotrop. 16 (4) • 2016 • https://doi.org/10.1590/1676-0611-BN-2016-0200 copy

Epiphytic diatoms (Diatomeae) from Piraquara II urban reservoir, Paraná state

Diatomáceas epifíticas (Diatomeae) no reservatório urbano Piraquara II, estado do Paraná

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

We conducted a taxonomical study of epiphytic diatoms on the macrophytes Polygonum hydropiperoides, Ludwigia peruviana and Alternanthera philoxeroides collected in the mesotrophic reservoir Piraquara II flooded in 2009, located in the state of Paraná. A total of 135 infrageneric taxa were identified, among them five at generic level and other five are first records to the state. We provided illustration, valve metrics, meristics limits and taxonomic reference for each taxon. Also, life forms and species frequency are given. The most frequent diatoms totalized 15.3% of total identified taxa and sporadic species represented 54.7%. Achnanthidium minutissimum (Kützing) Czarnecki and Brachysira neoexilis Lange-Bertalot occurred in more than 90% of analyzed samples. Among the very frequent diatoms we found other species included in Achnantidium, Fragilaria and Eunotia. The solitary Discotella stelligera (Cleve & Grunow) Houk & Klee and the short chain Aulacoseira tenella (Nygaard) Simonsen are free living species that entangle among diatoms from the biofilm.

Keywords
Bacillariophyta; freshwater; macrophytes; mesotrophic; periphyton; taxonomy

Date	DO (mg/L)	Secchi (m)	pH	COD (mg/L)	TN (mg/L)	TP (mg/L)	TDS (mg/L)	Turbidity (NTU)	IQA
Jun/2013	6.7	2.7	6.8	12.8	1.4	0.025	46.0	3.0	84.5
SD	±0.3	±1.3	±0.3	±8.1	±0.3	±0	±7.0	±0.3	±5.2
Nov/2013	7.24	1.4	6.95	12.66	0.5	0.025	35.0	3.55	84,33
SD	±0.07	±0	±0.25	±5.43	±0	±0	±0	±0.75	±5.31

Sampling sites	Coordinates	Sampled macrophytes	UPCB
1	S 25º30'38.2" W 49^o1'38.2"	Polygnum hydropiperoides	78032	78044
2	S 25º30'23.2" W 49^o2'12.6"	Ludwigia peruviana	78033	78045
3	S 25º29'42.9" W 49^o3'28.4"	Althernanthera philoxeroides Polygnum hydropiperoides	78034	78046
4	S 25º30'18.4" W 49^o2'44.1"	Althernanthera philoxeroides Polygnum hydropiperoides	78035	78047
5	S 25º28'47.3" W 49^o4'42.1"	Polygnum hydropiperoides	78036	78048
6	S 25º29'30.1" W 49^o5'38.9"	Polygnum hydropiperoides	78037	78049

Species Name (Figure)	Metric (µm) & meristic (in 10 µm) limits			Month of occurrence at sampling sites		Consulted literature
Species Name (Figure)	Metric (µm) & meristic (in 10 µm) limits			June	November	Consulted literature
Stephanodiscaceae
Cyclotella meneghiniana Kützing (Figure 2)	D:9.9-15; S:10-12			4b, 6b		Krammer & Lange-Bertalot (1991a)KRAMMER, K. & LANGE-BERTALOT, H. 1991a. Bacillariophyceae: Centrales, Fragilariaceae, Eunotiaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 3, 576 p.
Discostella stelligera (Cleve & Grunow) Houk & Klee (Figures 3-4)	D:7.4-13.9; S:8-13			1a, 2abc, 3abc 4abc, 5abc, 6abc	2ab, 3ab, 4ac, 5ab, 6ab	Houk et al. (2010)HOUK, V., KLEE, R. & TANAKA, H. 2010. Atlas of freshwater centric diatoms with a brief key and descriptions, Part III. Stephanodiscaceae A. Cyclotella, Tertiarius, Discostella. Fottea (Suppl.) 10: 1-498.
Aulacoseiraceae
Aulacoseira ambigua (Grunow) Simonsen var. ambigua f. ambigua (Figures 15-16)	SH:7.1-12.2; D:6-7.5; S:8			1ab, 2abc, 3abc, 4abc, 5abc, 6abc	2b, 3ac, 4b, 5b, 6b	Krammer & Lange-Bertalot (1991a)KRAMMER, K. & LANGE-BERTALOT, H. 1991a. Bacillariophyceae: Centrales, Fragilariaceae, Eunotiaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 3, 576 p.
A. ambigua var. ambigua f. spiralis (Skuja) Ludwig & Valente-Moreira (Figure 10)	SH:10.9; D:3.9; S:14			3c		Ludwig & Valente-Moreira (1990)LUDWIG, T.A.V. & VALENTE-MOREIRA, I.M. 1990. Contribuição ao conhecimento da diatomoflórula do parque regional do Iguaçu, Curitiba, Paraná, Brasil: II. Cêntricas (Bacillariophyceae). Braz. Arch. Biol. Tecnol. 33(4): 843-852.
A. brasiliensis Tremarin, Torgan & T. Ludwig (Figure 11)	SH:3.8-6.5; D:8.4-9.8; S:13-14; A:6-8			1b, 2abc, 3ac, 5a, 6a, 6b	1b	Tremarin et al. (2012)TREMARIN, P.I., LUDWIG, T.A.V. & TORGAN, L.C. 2012. Ultrastructure of Aulacoseira brasiliensis sp. nov. (Coscinodiscophyceae) and comparison with related species. Fottea 12(2): 171-188.
A. granulata var. angustissima (O. Müller) Simonsen (Figures 17-18)	SH:11.5-14.8; D:2.7-2.8; S:3; A:14-15			2abc, 3ab, 4ac, 5a, 6abc	4c, 6c	Krammer & Lange-Bertalot (1991a)KRAMMER, K. & LANGE-BERTALOT, H. 1991a. Bacillariophyceae: Centrales, Fragilariaceae, Eunotiaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 3, 576 p.
A. granulata (Ehrenberg) Simonsen var. granulata (Figure 25)	SH:13.7-13.8; D:5.1-5.2; S:5-6; A:16-17			2abc, 3abc, 4abc, 5abc, 6abc	2c,3ab, 4c, 5b, 6abc	Krammer & Lange-Bertalot (1991a)KRAMMER, K. & LANGE-BERTALOT, H. 1991a. Bacillariophyceae: Centrales, Fragilariaceae, Eunotiaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 3, 576 p.
A. herzogii (Lemmermann) Simonsen var. herzogii (Figures 12-14)	SH: 3.7-7.1; D: 3.3-5.9			2bc, 4b, 5b, 6bc		Hickel & Häkansson (1991)HICKEL, B. & HÄKANSSON, H. 1991. The freshwater diatom Aulacoseira herzogii. Diatom Res. 6(2): 299-305.
A. tenella (Nygaard) Simonsen (Figures 8-9)	SH:0.7-1.7; D: 5.6-6			1bc, 2bc, 3abc, 4abc, 5abc, 6c	2a, 3abc, 5bc, 6ac	Siver & Kling (1997)SIVER, P.A. & KLING, H. 1997. Morphological observations of Aulacoseira using scanning electron microscopy. Can. J. Bot. 75: 1807-1835., Camburn & Charles (2000)CAMBURN, K.E. & CHARLES, F. 2000. Diatoms of low alkalinity lakes in the Northeastern United States. J. Paleolimnol. 25: 129-130.
Aulacoseira sp. (Figures 5-7)	SH:1-1.8; D:4.5-4.9			2bc, 3ab, 4ac, 5abc	6c
Fragilariaceae
Fragilaria mesolepta Rabenhorst (Figure 19)	L:21.8; W:2.8; S:16				5a	Tuji & Williams (2008b)TUJI, A., WILLIAMS, D.M. 2008b. Examination of types material in the Fragilaria mesolepta Rabenhorst and two similar, but distinct, taxa. Diatom Res. 23(2): 503-510.
F. crotonensis Kitton (Figures 31-34)	L:60.8-76; W:2-2.6; S:17			4c, 6b, 2abc, 3b, 4ab, 5abc, 6abc	1ac	Patrick & Reimer (1966)PATRICK, R. & REIMER, C.W. 1966. The diatoms of United States: exclusive of Alaska and Hawaii. Acad. Nat. Sci. Philadelphia, Monographs, n.13. v. 1, 688 p.
F. gracilis Ostrup (Figures 26-28)	L:40.2; W:2.2; S:22			4b	2c, 3a, 4bc, 5c, 6ac	Krammer & Lange-Bertalot (1991a)KRAMMER, K. & LANGE-BERTALOT, H. 1991a. Bacillariophyceae: Centrales, Fragilariaceae, Eunotiaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 3, 576 p.
F. parva (Grunow) Tuji & Williams (Figures 40-43)	L:26.6-51.6; W:2.5-2.6; S:15-16			1b, 2abc, 3ab, 4ac, 6abc	1b, 2abc, 3b, 4c, 5abc, 6abc	Tuji & Williams (2008c)TUJI, A., WILLIAMS, D.M. 2008c. Typification abd type examination of Synedra familiaris Kütz. and related taxa. Diatom 24: 25-29.
F. pectinallis (Müll) Lyngbye (Figures 21-24, 220-222)	L:20.8-28.0; W:3.5-3.1; S:16-18			1a, 2ac, 3abc, 4abc, 5a, 6abc	1c, 2b, 4bc, 5bc, 6abc	Tuji & Williams (2008a)TUJI, A. & WILLIAMS, D.M. 2008a. Examination of types in the Fragilaria pectinalis- capitellata species complex. In Proceedings of the 19th International Diatom Symposium (Y. Likhoshway, ed.). Biopress Limited, Bristol, p. 125–139. as F. capitellata (Grun.) Pet., Wetzel & Ector (2015)WETZEL, C.E. & ECTOR, L. 2015. Taxonomy and ecology of Fragilaria microvaucheriae sp. nov. and comparison with the type materials of F. uliginosa and F. vaucheriae. Cryptogamie, Algol. 36(3): 271-289.
F. tenera (W. Smith) Lange-Bertalot (Figures 35-37)	L:34.6-49.4; W:1.9-3.0; S:20			1abc, 2c, 3abc, 4abc, 5abc, 6abc	1a, 2ab, 3b, 4bc, 5b, 6a	Zelazna-Wieczorek (2011)ZELAZNA-WIECZOREK, J. 2011. Diatom flora in springs of Lódz Hills (Central Poland): biodiversity, taxonomy, and temporal changes of epipsammic diatom assemblages in springs affected by human impact. Diatom Monographs, v.13, p.1-419.
F. microvaucheriae Wetzel & Ector (Figures 29-30)	L:10.7-11.4; W:4.1-4.4; S:9-10			2abc, 3b, 4abc, 6b	2abc, 3c, 4bc, 6ab	Tuji & Williams (2006)TUJI, A. & WILLIAMS, D.M. 2006. Examination of the type Synedra rumpens = Fragilaria rumpens, Bacillariophyceae. Phycol. Res. 54: 99-103.
Fragilariforma javanica (Hustedt) Wetzel, Morales & Ector (Figure 20)	L:27.9-69.8; W:5.5-6.1; S:19			2c	2b	Wetzel et al. (2013a)WETZEL, C.E., MORALES, E.A., HINZ, F., BICUDO, D.C. & ECTOR, L. 2013a. Fragilariforma javanica comb. nov.: analysis of type material of a widely reported species with a tropical distribution. Diatom Res. 28(4): 373-379.
Ulnaria acus (Kützing) Aboal (Figure 38)	L:114.9-140.7; W:3.2-3.4; S:16				1a	Levkov et al. (2007)LEVKOV, Z., KRSTIC, S., METZELTIN, D. & NAKOV, T. 2007. Diatoms of Lakes Prespa and Ohrid: about 500 taxa from ancient lake system. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.16, 613 p.
U. ulna (Nitzsch) Compère (Figure 39)	L:91.2; W:4.9; S:11			1b, 2b, 3b, 4c, 5a, 6ac	2abc, 6ab	Levkov et al. (2007)LEVKOV, Z., KRSTIC, S., METZELTIN, D. & NAKOV, T. 2007. Diatoms of Lakes Prespa and Ohrid: about 500 taxa from ancient lake system. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.16, 613 p.
Eunotiaceae
Actinella leontopithecus-rosalia Costa (Figure 52)	L:25.1; W:3.2; S:18				1c, 5b	Costa (1995)COSTA, J.C.F. 1995. Diatomáceas (Bacillarophyceae) da reserva biológica de Poço das Antas, Município de Silva Jardim, Rio de Janeiro, Brasil. Iheringia, Sér. Bot. 46: 57‒143., Tremarin et al. (2016)TREMARIN, P.I., KIM, K.M.I., MARRA, R.C. & LUDWIG, T.A.V. 2016. Additional data on morphology of Actinella leontopithecus-rosalia Costa (Bacillariophyta, Eunotiaceae). Phytotaxa 247(4): 259–266.
Desmogonium ossiculum Metzeltin & Lange-Bertalot (Figure 73)	L:114.1-186.9; W:8.7; S:14-15			2c, 3a	2a	Metzeltin & Lange Bertalot (2007)MELTZELTIN D. & LANGE-BERTALOT, H. 2007. Tropical Diatoms of south America II. Special remarks on biogeographic disjunction. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 18, 1876 p.
D. transfugum (Metzeltin & Lange-Bertalot) Metzeltin & Lange-Bertalot (Figure 74)	L:139.5-198.7; W:4.4-6.1; S:14-16			1a		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
Eunotia bilunaris (Ehrenberg) Mills (Figure 48)	L:22-43.7; W:3.1-3.4; S:17			1abc, 2bc, 3a, 4a, 5a, 6bc	1ab, 2ab, 3a, 4ac, 5bc, 6c	Lange-Bertalot & Metzeltin (1996)LANGE-BERTALOT, H. & METZELTIN, D. 1996. Oligotrophie indikatoren: 800 Taxa repräsentativ für drei diverse see-typen, kalkreich-oligodystroph-schwach gepuffertes weichwasser. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.2, 390 p.
E. camelus Ehrenberg (Figures 54-55)	L:23.2-44.2; W:5.4-8.5; S:11-14			1ab, 2a	1bc, 5b	Reichardt (1995)REICHARDT, E. 1995. Die Diatomeen (Bacillariophyceae) in Ehrenbergs Material von Cayenne, Guayana Gallica (1843). In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Iconogr. Diatomologica. Gantner Verlag KG, Ruggell, v. 1, 49 p., Metzeltin et al. (2005)MELTZELTIN, D., LANGE-BERTALOT, H. & GARCÍA-RODRÍGUEZ, F. 2005. Diatoms of Uruguay compared with other taxa from South America and elsewhere. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v.5, 736 p.
Eunotia cf. formicina Lange-Bertalot (Figure 53)	L:46.2-49.8; W:6-6.4; S:13-15			2c		Lange-Bertalot et al. (2011)LANGE-BERTALOT, H., BAK, M., WITKOWSKI, A. & TAGLIAVENTI, N. 2011. Eunotia and some related genera. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v. 6, 747 p.
E. desmogonioides Metzeltin & Lange-Bertalot (Figure 72)	L:109.3-125.5; W:5.8-6.7; S:15			1a, 3ab, 5ab	2b	Metzeltin & Lange-Bertalot (2002)MELTZELTIN D. & LANGE-BERTALOT, H. 2002. Diatoms from the Island Continent Madagascar. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 11, 286 p.
E. intermedia (Krasske) Nörpel-Schempp & Lange-Bertalot (Figures 49-50)	L:9.7-17.8; W:2.9-3.1; S:14-15			1ac, 2abc, 3bc, 4ab, 5abc, 6abc	1abc, 2abc, 3abc, 5b, 6bc	Lange-Bertalot et al. (2011)LANGE-BERTALOT, H., BAK, M., WITKOWSKI, A. & TAGLIAVENTI, N. 2011. Eunotia and some related genera. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v. 6, 747 p.

E. luna var. trapezica Hustedt (Figure 59)	L:28.7; W:11; S:12			6b		Frenguelli (1941)FRENGUELLI, J. 1941. Contribuciones al conocimiento de las Diatomeas Argentinas. XVI. Diatomeas del Rio de La Plata. Rev. Mus. La Plata 3: 213-334., Simonsen (1987)SIMONSEN, R. 1987. Atlas and catalogue of the diatom types of Friedrich Hustedt. Gebrüder Nortraeger Versbuchanandlung. J. Cramer, Stuttgart. 3 v.
E. meridiana Metzeltin & Lange-Bertalot (Figure 56-58)	L:17.2-26.9; W:4-5; S:12-13			2a, 4b, 6b	1abc, 3ab,4b, 5c, 6bc	Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
E. monodon Ehrenberg (Figure 45)	L:69.2; W:9.5; S:10			4a		Hofmann et al. (2013)HOFMANN, G., LANGE-BERTALOT, H. & WERUM, M. 2013. Bestimmungflora Kieselalgen für die ökologische Praxis. Über 700 der häufigsten Arten und ihre Ökologie. In Diatom im Sübwasser-Benthos von Mitteleuropa (H. Lange-Bertalot, ed.). 908 p.
E. minor (Kützing) Grunow (Figure 44)	L: 19.9-31.8; W:4.1-5.1; S: 14-17			3c, 6b	2ab, 3ab, 4bc, 6a	Lange-Bertalot et al. (2011)LANGE-BERTALOT, H., BAK, M., WITKOWSKI, A. & TAGLIAVENTI, N. 2011. Eunotia and some related genera. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v. 6, 747 p.
E. naegelii Migulla (Figures 46-47)	L:61.1-106.6; W:2.5-2.9; S:16-20			1ab, 3c	3a	Krammer & Lange-Bertalot (1991a)KRAMMER, K. & LANGE-BERTALOT, H. 1991a. Bacillariophyceae: Centrales, Fragilariaceae, Eunotiaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 3, 576 p.
E. neocompacta Mayama (Figure 51)	L:18.4; W:2.7; S:20				6a	Lange-Bertalot et al. (2011)LANGE-BERTALOT, H., BAK, M., WITKOWSKI, A. & TAGLIAVENTI, N. 2011. Eunotia and some related genera. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v. 6, 747 p.
E. paratridentula Lange-Bertalot & Kulikovskiy (Figure 61)	L:13.6-15.4; W:3-3.3; S:22			2abc		Kulikovskiy et al. (2010)KULIKOVSKIY, M.S., LANGE-BERTALOT, H., WITKOWSKI, A., DOROFEYUK, N.I. & GENKAL, S.I. 2010. Diatom assemblages from Sphagnum bogs of the world. Biblioth. Diatomol 55:1-326.
E. pseudosudetica Metzeltin, Lange-Bertalot & García-Rodríguez (Figure 63-64)	L:29.1-59.9; W:4.1-5.2; S:12			1abc, 2abc, 3b, 4ab, 5abc, 6abc	1abc, 2abc,3abc,4abc, 5b, 6abc	Metzeltin et al. (2005)MELTZELTIN, D., LANGE-BERTALOT, H. & GARCÍA-RODRÍGUEZ, F. 2005. Diatoms of Uruguay compared with other taxa from South America and elsewhere. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v.5, 736 p.
E. pyramidata Hustedt var. pyramidata (Figure 60)	L:19.5-33.4; W:5.9-8.8; S:13-15				5b	Frenguelli (1941)FRENGUELLI, J. 1941. Contribuciones al conocimiento de las Diatomeas Argentinas. XVI. Diatomeas del Rio de La Plata. Rev. Mus. La Plata 3: 213-334.
E. rabenhorstii var. monodon Cleve & Grunow (Figure 62)	L:17.6; W:6.5; S:13			1a		Patrick & Reimer (1966)PATRICK, R. & REIMER, C.W. 1966. The diatoms of United States: exclusive of Alaska and Hawaii. Acad. Nat. Sci. Philadelphia, Monographs, n.13. v. 1, 688 p.
E. yanomami Metzeltin & Lange-Bertalot (Figures 65-67)	L: -89 -152.7; W: 17.2-18.7; S:10-13			6b,c		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
Cymbellaceae
Cymbella aspera (Ehrenberg) Cleve (Figure 91)	L:108.4-158.3; W:20.6-25.2; S:9-10; A:10-11			2c, 5bc, 6ac	5a		Patrick & Reimer (1975)PATRICK, R. & REIMER, C.W.1975. The diatoms of the United States: exclusive of Alaska and Hawaii. Acad. Nat. Sci. Philadelphia, Monographs, n.13. v. 2, 213 p., Krammer (2002)KRAMMER, K. 2002. Cymbella. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v. 3, 584 p.
Cymbopleura naviculiformis var. naviculiformis (Auerswald) Krammer (Figure 71)	L:27.5-31.9; W:7.1-7.9; S:14			2bc, 4c, 5bc, 6abc	5b,6c		Krammer (2003)KRAMMER, K. 2003. Cymbopleura, Delicata, Navicymbula, Gomphocymbellopsis, Afrocymbella. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v. 4, 584 p.
Encyonema incurvatum Krammer (Figures 68-70)	L:27.2-32.2; W:7.5-8.1; S:10-11			1a, 2abc, 3a, 4abc, 6ab	5b, 6c		Krammer (1997a)KRAMMER, K. 1997a. Die cymbelloidean Diatomeen: eine Monographie der weltweit bekannten taxa. I Allgemeines und Encyonema part. Biblioth. Diatomol. 36: 1-382.
E. neogracile Krammer (Figure 80)	L:26.4-47.4; W:5.5-7.6; S:12-14			1abc, 2abc, 3bc, 4bc, 5abc, 6abc	1c, 2abc, 3b, 4c, 5b, 6c		Krammer (1997a)KRAMMER, K. 1997a. Die cymbelloidean Diatomeen: eine Monographie der weltweit bekannten taxa. I Allgemeines und Encyonema part. Biblioth. Diatomol. 36: 1-382.
E. silesiacum (Bleisch) Mann (Figures 75-77)	L:20.5-24.7; W:6.5-8.1; S:10-13			2a, 6b	2b		Krammer (1997a)KRAMMER, K. 1997a. Die cymbelloidean Diatomeen: eine Monographie der weltweit bekannten taxa. I Allgemeines und Encyonema part. Biblioth. Diatomol. 36: 1-382.
E. vulgare var. vulgare Krammer (Figure 78)	L:31.4; W:8.6; S:10			4c			Krammer (1997a)KRAMMER, K. 1997a. Die cymbelloidean Diatomeen: eine Monographie der weltweit bekannten taxa. I Allgemeines und Encyonema part. Biblioth. Diatomol. 36: 1-382.
Encyonopsis frequentiformis Metzeltin & Krammer (Figure 79)	L:38.4-39.7; W:9.3-9.5; S:15-16				3a, 3b,4b,5b		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
E. microcephala (Grunow) Krammer (Figures 95-96)	L:17.6-23.1; W:4.0; S:23-24			2abc, 3ab, 4c, 5bc, 6abc	3a, 5b		Krammer (1997b)KRAMMER, K. 1997b. Die cymbelloidean Diatomeen: eine Monographie der weltweit bekannten taxa. II Encyonema part., Encyonopsis and Cymbellopsis. Biblioth. Diatomol. 37: 1-469.
Geissleria lateropunctata (Wallace) Potapova & Winter (Figure 89)	L:20.5-21.8; W: 7.1-7.7; S: 18-19			2a, 4c, 5b, 6c.	6b	Kulikovskiy et al. (2014)KULIKOVSKIY, M., GUSEV, E., ANDREEVA, S. & ANNENKOVA, N. 2014. Phylogenetic position of the diatom genus Geissleria Lange-Bertalot &Metzeltin and description of two new species from Siberian mountain lakes. Phytotaxa 177: 249-260.
G. punctifera (Hustedt) Metzeltin, Lange-Bertalot & García-Rodríguez (Figure 88)	L:20.8-25.5; W:6.3-6.6; S:17			2b, 6a		Kulikovskiy et al. (2014)KULIKOVSKIY, M., GUSEV, E., ANDREEVA, S. & ANNENKOVA, N. 2014. Phylogenetic position of the diatom genus Geissleria Lange-Bertalot &Metzeltin and description of two new species from Siberian mountain lakes. Phytotaxa 177: 249-260., Torgan & Oliveira (2001)TORGAN, L.C. & OLIVEIRA, M.A. 2001. Geissleria aikenensis (Patrick) Torgan et Oliveira comb. nov.: morphological and ecological characteristics. In Proceeding of 16th International Diatom Symposium (A. Economou-Amilli, ed.). Amvrosiou Press, Athens, p. 115-125.
Placoneis elginensis (Gregory) Cox (Figures 81-82)	L:30.2-34.8; W:9.9-10.1; S:13			4a			Hustedt (1961-1966)HUSTEDT, F. 1961-1966. Die Kieselalgen. In Kryptogamen-Flora (L. Rabenhorst, ed.). Akademische Verlagsgesellschaft, Leipzig, v.7, pars 3, 816 p., Hofmann et al. (2013)HOFMANN, G., LANGE-BERTALOT, H. & WERUM, M. 2013. Bestimmungflora Kieselalgen für die ökologische Praxis. Über 700 der häufigsten Arten und ihre Ökologie. In Diatom im Sübwasser-Benthos von Mitteleuropa (H. Lange-Bertalot, ed.). 908 p.
Placoneis symmetrica (Hustedt) Lange-Bertalot (Figure 83)	L:31.8; W:9.6; S:12			4b			Cox (2003)COX, E.J. 2003. Placoneis Mereschkowsky (Bacillariophyta) revisited: resolution of several typification and nomenclatural problems, incluing the generitype. Bot. J. Linn. Soc. 141: 53-83., Hofmann et al. (2013)HOFMANN, G., LANGE-BERTALOT, H. & WERUM, M. 2013. Bestimmungflora Kieselalgen für die ökologische Praxis. Über 700 der häufigsten Arten und ihre Ökologie. In Diatom im Sübwasser-Benthos von Mitteleuropa (H. Lange-Bertalot, ed.). 908 p.
Gomphonemataceae
Gomphonema guaraniarum Metzeltin & Lange-Bertalot (Figures 84-87)	L:68.6-54.7; W:11.1-11.5; S:10-11			1abc, 2ab, 3ac, 4bc, 5bc, 6abc	1ab, 2ab, 3ac, 4bc, 5bc		Metzeltin & Lange-Bertalot (2007)MELTZELTIN D. & LANGE-BERTALOT, H. 2007. Tropical Diatoms of south America II. Special remarks on biogeographic disjunction. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 18, 1876 p.
G. hawaiiensis Reichardt (Figure 103)	L:35.2; W:7.3; S:16.			6b			Reichardt (2005)REICHARDT, E. 2005. Gomphonema dubravicense Pantocsek eine taxonomische Revision. Diatom Res. 20(2): 335-349.
G. lagenula Kützing (Figure 104)	L:15.6-21.1; W:5.4-6.1; S:16			1abc, 2abc, 3abc, 4abc, 5abc, 6ab	1a,c, 3ab, 6c		Krammer & Lange-Bertalot (1991b)KRAMMER, K. & LANGE-BERTALOT, H. 1991b. Bacillariophyceae: Achnanthaceae. Kritische Ergänzungen zu Navicula (Lineolatae) und Gomphonema. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 4, 437 p.
G. graciloides Hustedt (Figures 97-101, 214-216)	L:25.4-47.9; W:7.8-8.5; S:11-14			1c			Reichardt (2015)REICHARDT, E. 2015. Gomphonema gracile Ehrenberg sensu stricto et sensu auct. (Bacillariophyceae): a taxonomic revision. Nova Hedwigia 101: 367-393.
G. naviculoides W. Smith (Figures 116-117, 213)	L:29.1-56.3; W:6.6-9.3; S:14-16			1abc, 2ab, 3ac, 4bc, 5bc, 6abc	2b, 3a, 4c, 5b,6bc		Reichardt (2015)REICHARDT, E. 2015. Gomphonema gracile Ehrenberg sensu stricto et sensu auct. (Bacillariophyceae): a taxonomic revision. Nova Hedwigia 101: 367-393.
G. parvulum (Kützing) Van Heurck var. parvulum (Figure 121-122)	L:13.9-17.6; W:3.9-4.4; S:15			1bc, 2a, 3a, 5a	1bc,3a, 6c		Krammer & Lange-Bertalot (1991b)KRAMMER, K. & LANGE-BERTALOT, H. 1991b. Bacillariophyceae: Achnanthaceae. Kritische Ergänzungen zu Navicula (Lineolatae) und Gomphonema. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 4, 437 p.
G. parvulum f. saprophilum Lange-Bertalot & Reichardt (Figure 120)	L:11.8-16.4; W:4.6-6.4; S:17			1abc, 2ab, 3ac, 4bc, 5bc, 6a	1abc, 3ac, 5bc, 6a		Krammer & Lange-Bertalot (1991b)KRAMMER, K. & LANGE-BERTALOT, H. 1991b. Bacillariophyceae: Achnanthaceae. Kritische Ergänzungen zu Navicula (Lineolatae) und Gomphonema. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 4, 437 p.
G. parvulum var. subcapitata Grunow (Figure 90)	L:12.7-26.1; W:3.7-4.8; S:12-15			1abc, 2ab	1abc		Van Heurck (1880)VAN HEURCK, H. 1880. Synopsis des Diatomées de Belgique. Anvers., Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
G. pseudoaugur Lange-Bertalot (Figures 92-94)	L:27.5-31.8; W:7.2-8.3; S:15			3a	6c		Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
G. subtile Ehrenberg (Figure 102)	L:48.2; W:7.83; S:9			4b			Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p. Patrick & Reimer (1975)PATRICK, R. & REIMER, C.W.1975. The diatoms of the United States: exclusive of Alaska and Hawaii. Acad. Nat. Sci. Philadelphia, Monographs, n.13. v. 2, 213 p.
Gomphonema sp. (Figures 118-119)	L:23.6-33.2; W:3.8-4.1; S:14			1abc, 2c
Achnanthidiaceae
Achnanthidium caledonicum (Lange-Bertalot) Lange-Bertalot (Figures 105-107)	L:17.4-24.8; W:2.5-2.7			1abc, 2abc, 3abc, 4ac, 5abc, 6abc	1abc, 2b,3ab, 4bc,5b, 6ab	Wojtal et al. (2011)WOJTAL, A., ECTOR L., VAN DE VIJVER, B., MORALES, E.A., BLANCO, S., PIATEK, J. & SMIEJA, A. 2011. The Achnanthidium minutissimum complex (Bacillariophyceae) in southern Poland. Algol. Stud. 136/137:211–238.
A. catenatum (Bily & Marvan) Lange-Bertalot (Figures 110-112)	L: 13.6-18.7; W:2.9			1abc, 2ab, 3abc, 4abc, 5abc, 6abc	1b, 2b, 3a, 5b, 6c	Krammer & Lange-Bertalot (1991b)KRAMMER, K. & LANGE-BERTALOT, H. 1991b. Bacillariophyceae: Achnanthaceae. Kritische Ergänzungen zu Navicula (Lineolatae) und Gomphonema. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 4, 437 p.
A. eutrophilum (Lange-Bertalot) Lange-Bertalot (Figures 125-126)	L:8.3-10.7; W:3-3.1			1ab, 2bc, 3ab, 4ac, 5bc, 6a	1abc, 5a	Hlúbiková et al. (2011)HLÚBIKOVÁ, D., ECTOR, L. & HOFFMANN, L. 2011. Examination of the type material of some diatom species related to Achnanthidium minutissimum (Kütz.) Czarn. (Bacillariophyceae). Algol. Stud. 136/137(1): 19–43.
A. exiguum (Grunow) Czarnecki (Figures 123-124)	L:10.6-13.8; W:4.4-4.9			4c		Krammer & Lange-Bertalot (1991b)KRAMMER, K. & LANGE-BERTALOT, H. 1991b. Bacillariophyceae: Achnanthaceae. Kritische Ergänzungen zu Navicula (Lineolatae) und Gomphonema. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 4, 437 p.
A. macrocephalum (Hustedt) Round & Bukhtiyarova (Figures 114-115, 219)	L:9.1-11.6; W:2.6-2.7			1ab, 2abc, 3abc, 4abc, 5abc, 6abc	1abc, 2b, 3bc, 5b, 6bc	Ponader & Potapova (2007)PONADER, K.C. & POTAPOVA, M.G. 2007. Diatoms from the genus Achnanthidium in flowing waters of the Appalachian Mountains (North America): ecology, distribution and taxonomic notes. Limnologica 37: 227-241., Taylor et al. (2007)TAYLOR, J.C., HARDING, W.R. & ARCHIBALD, G.M. 2007. An illustrated guide to some common diatom species from South Africa. WRC Report TT 282/07. Pretoria. Water Research Commission. 282 p.
A. minutissimum (Kützing) Czarnecki (Figure 113)	L:7.9-16.4; W:2.5-3.1			1abc, 2abc, 3abc, 4abc, 5abc, 6bc	1abc, 2b, 3abc, 4abc, 5ab, 6abc	Potapova (2009)POTAPOVA, M. 2009. Achnanthidium minutissimum. In Diatoms of the United States. http://westerndiatoms.colorado.edu/taxa/species/Achnanthidium_minutissimum (retrieved on 01/06/2015) http://westerndiatoms.colorado.edu/taxa/... , Siver & Hamilton (2011)SIVER, P.A. & HAMILTON, P.B. 2011. The freshwater flora of waterbodies on the Atlantic Coastal Plain. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). ARG Gantner Verlag KG, Rugell, v. 22: 1-916.
Lemnicola hungarica (Grunow) Round & Basson (Figure 129)	L:23.1; W:7.1; S:20				1b	Round & Basson (1997)ROUND, F.E. & BASSON, P.W. 1997. A new monoraphid diatom genus (Pogoneis) from Bahrain and the transfer of previously described species A. hungarica and A. taeniata to new genera. Diatom Res. 12(1): 71-81.
Planothidium biporomum (Hohn et Hellerman) Lange-Bertalot (Figure 130)	L:21.7; W:6.8; S:13			2b		Wetzel et al. (2013b)WETZEL, C.E., VAN DE VIJVER, B., HOFFMAN, L. & ECTOR, L. 2013b. Planothidium incuriatum sp.nov. a widely distributed diatom species (Bacillariophyta) and type analysis of Planothidium biporomum. Phytotaxa. 138(1): 43-57.
P. heteromorphum (Grunow) Lange-Bertalot (Figures 131-132)	L:34.5; W:13.1; S:10			4b		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
P. rostratum (Oestrup) Lange-Bertalot (Figures 108-109)	L:12.6; W:5; S:14			3a		Krammer & Lange-Bertalot (1991b)KRAMMER, K. & LANGE-BERTALOT, H. 1991b. Bacillariophyceae: Achnanthaceae. Kritische Ergänzungen zu Navicula (Lineolatae) und Gomphonema. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2, pars 4, 437 p., Levkov et al. (2007)LEVKOV, Z., KRSTIC, S., METZELTIN, D. & NAKOV, T. 2007. Diatoms of Lakes Prespa and Ohrid: about 500 taxa from ancient lake system. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.16, 613 p.
Diadesmidaceae
Humidophila contenta (Grunow) Lowe et al. (Figure 128)	L:7.5; W:2.2			1a, 2a, 2b		Metzeltin & Lange-Bertalot (2007)MELTZELTIN D. & LANGE-BERTALOT, H. 2007. Tropical Diatoms of south America II. Special remarks on biogeographic disjunction. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 18, 1876 p., Lowe et al. (2014)LOWE, R.L., PATRICK, K., JOHANSEN, J.R., VAN DE VIJVER, B., LANGE-BERTALOT, H. & KOPALOVÁ, K. 2014. Humidophila gen. nov., a new genus for a group of diatoms (Bacillariophyta) formely within the genus Diadesmis: species from Hawaii, incluing one new species. Diatom Res. 29(4): 351-360.
H. implicata (Moser, Lange-Bertalot & Metzeltin) Lowe et al. (Figure 127)	L:10.4; W:2.9			5a		Lowe et al. (2014)LOWE, R.L., PATRICK, K., JOHANSEN, J.R., VAN DE VIJVER, B., LANGE-BERTALOT, H. & KOPALOVÁ, K. 2014. Humidophila gen. nov., a new genus for a group of diatoms (Bacillariophyta) formely within the genus Diadesmis: species from Hawaii, incluing one new species. Diatom Res. 29(4): 351-360.
Amphipleuraceae
Frustulia acidophilissima Wydrzycka & Lange-Bertalot (Figure 156)	L:31.8; W:10.8			2a, 4b	6a	Metzeltin & Lange-Bertalot (2007)MELTZELTIN D. & LANGE-BERTALOT, H. 2007. Tropical Diatoms of south America II. Special remarks on biogeographic disjunction. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 18, 1876 p.
F. crassinervia (Brébisson) Costa (Figures 133-134)	L:32.7-34.2; W:7.9-8.8			1ab, 2abc; 6ab	5b	Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
F. guayanensis Metzeltin & Lange Bertalot (Figure 137)	L:34.5-34.4; W:7.8-7.6			2a, 6c		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
F. quadrisinuata Lange-Bertalot (Figure 157)	L:58.9; W:14.5			6b		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
F. undosa Metzeltin & Lange-Beratlot (Figures 135-136)	L:32.7-39.1;W:8.4-9.2			2abc, 6b		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p. Metzeltin & Lange-Bertalot (2007)MELTZELTIN D. & LANGE-BERTALOT, H. 2007. Tropical Diatoms of south America II. Special remarks on biogeographic disjunction. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 18, 1876 p.
Brachysiraceae
Brachysira brebissonii Ross (Figure 140)	L:16.9-24.3;W:4.5-6.9			1abc, 2ac	2b	Lange-Bertalot & Moser (1994)LANGE-BERTALOT, H. & MOSER, G. 1994. Brachysira, Monographie der Gattung. Biblioth. Diatomol. 29: 1-212.
B. neoexilis Lange-Bertalot (Figure 141)	L:26.3-13.9; W:5.4-4.3			1abc, 2abc, 3bc, 4abc, 5abc, 6abc	1ab, 2abc,3abc, 4c, 5ab, 6ab	Lange-Bertalot & Moser (1994)LANGE-BERTALOT, H. & MOSER, G. 1994. Brachysira, Monographie der Gattung. Biblioth. Diatomol. 29: 1-212.
Neidiaceae
Neidium affine (Ehrenberg) Pfitzer (Figure 139)	L: 43.3; W: 10.7; S:24			6a		Patrick & Reimer (1966)PATRICK, R. & REIMER, C.W. 1966. The diatoms of United States: exclusive of Alaska and Hawaii. Acad. Nat. Sci. Philadelphia, Monographs, n.13. v. 1, 688 p., Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
N. iridis (Ehrenberg) Cleve (Figure 138)	L:76.6; W:30.3; S:17; A:9			6a		Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
Sellaphoraceae
Sellaphora nigri (De Notaris) Wetzel & Ector (Figures 151-152)	L:8.7; W:3.6			4c		Wetzel et al. (2015)WETZEL, C.E., ECTOR, L., VAN De VIJVER, B., COMPÈRE, P. & MANN, D.G. 2015. Morphology, typification and critical analysis of some ecologically important small naviculoid species (Bacillariophyta). Fottea 15(2): 203-234, 396 figs, 1 table.
S. pupula (Kützing) Mereschkowsky (Figures 146-147)	L:21.8-25.7; W:6.6-7.4; S:21-25			4b		Mann et al. (2004)MANN, D.G., MACDONALD, S.M., BAYER, M.M., DROOP, S.J.M., CHEPURNOV, V.A., LOKE, R.E., CIOBANU, A. & DU BUF, J.M.H. 2004. The Sellaphora pupula species complex (Bacillariophyceae): morphometric analysis, ultrastructure and mating data provide evidence for five new species. Phycol. 43(4): 459-482.
S. sardiniensis Lange-Bertalot, Cavacini, Tagliaventi & Alfinito (Figures 149-150, 218)	L:9.2-12.8; W:4.2-4.5; S:24			4b		Lange-Bertalot et al. (2003)LANGE-BERTALOT, H., CAVACINI, P., TAGLIAVENTI, N. & ALFINITO, S. 2003. Diatoms of Sardinia. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v.12, 438 p.
S. sassiana (Metzeltin & Lange-Bertalot) Wetzel (Figures 144-145, 217)	L:15; W:4.4; S:24			5ac, 6c		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
S. saugerresii (Desm.) Wetzel & Mann (Figures 142-143)	L:5.4-18.8; W:3.3-5; S:17-22			2abc, 3ab, 4bc, 5ab, 6abc	3ab, 4a, 6bc	Wetzel et al. (2015)WETZEL, C.E., ECTOR, L., VAN De VIJVER, B., COMPÈRE, P. & MANN, D.G. 2015. Morphology, typification and critical analysis of some ecologically important small naviculoid species (Bacillariophyta). Fottea 15(2): 203-234, 396 figs, 1 table.
S. ventraloconfusa (Lange-Bertalot) Metzeltin & Lange-Bertalot (Figure 153)	L:15.5-23.3; W:4.6-5.8; S:22			1ab, 2c, 4a		Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
Sellaphora sp. (Figure 148)	L:15.9; W:5.6; S:23				2a
Pinnulariaceae
Chamaepinnularia brasilianopsis Metzeltin & Lange-Bertalot (Figures 171-172)	L:15; W:3.9; S:23			4b		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
Chamaepinnularia mediocris (Krasske) Lange-Bertalot (Figures 154-155)	L:11.0; W:3.8; S:21			2ac		Lange-Bertalot & Metzeltin (1996)LANGE-BERTALOT, H. & METZELTIN, D. 1996. Oligotrophie indikatoren: 800 Taxa repräsentativ für drei diverse see-typen, kalkreich-oligodystroph-schwach gepuffertes weichwasser. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.2, 390 p.
Pinnularia acrosphaeria (Brébisson) Smith (Figure 158)	L:79.24; W:13.54; S:10			1a		Krammer (2000)KRAMMER, K. 2000. The genus Pinnularia. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v.1, 703 p.
P. brauniana (Gunow) Mills (Figure 160)	L: 49.75; W: 9.6; S:11			1a		Krammer (1992)KRAMMER, K. 1992. Pinnularia: Eine Monographie der europäischen Taxa. Biblioth. Diatomol. 26: 1-353.
P. butantanum (Krasske) Meltzeltin (Figure 166)	L:87.8; W:12.7; S:15			1a		Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
P. divergentissima var. minor Krammer (Figure 168)	L:23.7-27.7; W:4.8-5.1; S:15			6b		Krammer (2000)KRAMMER, K. 2000. The genus Pinnularia. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v.1, 703 p.
P. gibba Ehrenberg (Figures 164-165)	L:57.5-74.2; W:10.7-11.7; S:9			1a		Krammer (2000)KRAMMER, K. 2000. The genus Pinnularia. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v.1, 703 p.
P. latarea Krammer (Figure 159)	L:61.7; W:10.1; S:10			1a		Krammer (2000)KRAMMER, K. 2000. The genus Pinnularia. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v.1, 703 p.
P. latevittata Cleve (Figure 162)	L:216.1; W:33.7; S:5			2a		Reichardt (1995)REICHARDT, E. 1995. Die Diatomeen (Bacillariophyceae) in Ehrenbergs Material von Cayenne, Guayana Gallica (1843). In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Iconogr. Diatomologica. Gantner Verlag KG, Ruggell, v. 1, 49 p.
P. similiformis Krammer (Figure 167)	L:38.9; W:5; S:13				6b	Krammer (2000)KRAMMER, K. 2000. The genus Pinnularia. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v.1, 703 p.
P. subbrevistriata Krammer (Figure 170)	L:48.4; W:9.2; S: 11				6b	Krammer (2000)KRAMMER, K. 2000. The genus Pinnularia. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v.1, 703 p.
P. subcapitata Gregory (Figure 169)	L:28.9; W:4.8; S:14			4b		Krammer (2000)KRAMMER, K. 2000. The genus Pinnularia. In Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats (H. Lange-Bertalot, ed.). A.R.G. Gantner Verlag KG, Ruggell, v.1, 703 p.
P. subgibba var. undulata Krammer (Figure 163)	L:84.2; W:8.8: S:12			1a		Krammer (1992)KRAMMER, K. 1992. Pinnularia: Eine Monographie der europäischen Taxa. Biblioth. Diatomol. 26: 1-353.
P. stoermeri Metzeltin & Lange-Bertalot (Figure 161)	L:157.6; W:26.6; S:8			4a		Metzeltin & Lange-Bertalot (2007)MELTZELTIN D. & LANGE-BERTALOT, H. 2007. Tropical Diatoms of south America II. Special remarks on biogeographic disjunction. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 18, 1876 p.
Naviculaceae
Capartogramma crucicula (Grunow) Ross (Figure 173)	L:32.5; W:9.7; S:23			4b		Patrick & Reimer (1966)PATRICK, R. & REIMER, C.W. 1966. The diatoms of United States: exclusive of Alaska and Hawaii. Acad. Nat. Sci. Philadelphia, Monographs, n.13. v. 1, 688 p.
Hippodonta capitata ssp. iberoamericana Metzeltin, Lange-Bertalot & García-Rodríguez (Figure 174)	L:20.6; W:4.9; S:10			2b		Metzeltin et al. (2005)MELTZELTIN, D., LANGE-BERTALOT, H. & GARCÍA-RODRÍGUEZ, F. 2005. Diatoms of Uruguay compared with other taxa from South America and elsewhere. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v.5, 736 p.
Mayamaea permitis (Hustedt) Bruder & Medlin (Figure 187)	L:9.2; W:3.1			4c	3a	Lange-Bertalot et al. (2003)LANGE-BERTALOT, H., CAVACINI, P., TAGLIAVENTI, N. & ALFINITO, S. 2003. Diatoms of Sardinia. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v.12, 438 p.
Navicula angusta Grunow (Figures 175-176)	L:40.5-45.0; W:6.1-6.4; S:12			2bc, 3a, 4bc, 6abc	3a, 4b, 5ab, 6ab	Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
N. cryptotenella Lange-Bertalot (Figure 179)	L:23.5-26.2; W:5.3-5.3; S:16			1ab, 2bc, 4c, 5abc, 6ac	5b, 6bc	Lange-Bertalot & Metzeltin (1996)LANGE-BERTALOT, H. & METZELTIN, D. 1996. Oligotrophie indikatoren: 800 Taxa repräsentativ für drei diverse see-typen, kalkreich-oligodystroph-schwach gepuffertes weichwasser. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.2, 390 p.
N. notha Wallace (Figure 178)	L:23.7-26.6; W:4.4-4.7; S:16			3c, 5bc		Rumrich et al. (2000)RUMRICH, U., LANGE-BERTALOT, H. & RUMRICH, M. 2000. Diatoms of the Andes. From Venezuela to Patagonia/Tierra del Fuego and two additional contributions. In Iconogr. Diatomol. Annotated Diatom Monographs (H. Lange-Bertalot, ed.). ARG Gantner Verlag KG, Rugell, v. 9, 673 p.
N. tridentula Krasske (Figures 181-182)	L:17.5; W:3.7			5b		Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
N. veneta Kützing (Figure 180)	L:18.8; W:5.4; S:17			2b		Rumrich et al. (2000)RUMRICH, U., LANGE-BERTALOT, H. & RUMRICH, M. 2000. Diatoms of the Andes. From Venezuela to Patagonia/Tierra del Fuego and two additional contributions. In Iconogr. Diatomol. Annotated Diatom Monographs (H. Lange-Bertalot, ed.). ARG Gantner Verlag KG, Rugell, v. 9, 673 p.
N. viridulacalcis Lange-Bertalot & Rumrich (Figure 177)	L:44.2-75.6; W:10.5-11.3; S:9			4abc, 5b, 6c	3a, 5a	Rumrich et al. (2000)RUMRICH, U., LANGE-BERTALOT, H. & RUMRICH, M. 2000. Diatoms of the Andes. From Venezuela to Patagonia/Tierra del Fuego and two additional contributions. In Iconogr. Diatomol. Annotated Diatom Monographs (H. Lange-Bertalot, ed.). ARG Gantner Verlag KG, Rugell, v. 9, 673 p.
N. ventraloconfusa var. chilensis (Krasske) Lange-Bertalot (Figures 188-189)	L:15.9-19.2; W:5.2-5.4; S:21			4a, 5b		Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p., Lange-Bertalot & Metzeltin (1996)LANGE-BERTALOT, H. & METZELTIN, D. 1996. Oligotrophie indikatoren: 800 Taxa repräsentativ für drei diverse see-typen, kalkreich-oligodystroph-schwach gepuffertes weichwasser. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.2, 390 p.
Nupela torganie Tremarin & Ludwig (Figures 183- 184)	L:10.9-13.7; W: 4.1-5			1ab, 2ab, 3ab, 4ab, 5b, 6c	6c	Tremarin et al. (2015)TREMARIN, P.I., STRAUBE, A. & LUDWIG, T.A.V. 2015. Nupela (Bacillariophyceae) in littoral rivers from south Brazil, and description of six species of the genus. Fottea 15(1): 77-93.
Stauroneidaceae
Craticula riparia (Hustedt) Lange-Bertalot (Figures 192-193)	L:37.6-38.4; W:7.2-8.1; S:22			2ab, 3a, 4b		Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
C. submolesta (Hustedt) Lange-Bertalot (Figures 185-186)	L:17.0; W:3.8; S:23			4a, 6abc	6c	Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
Stauroneis anceps Ehrenberg (Figure 200)	L:56.5-59.2; W:9.9-10.7; S:20			5c		Krammer & Lange-Bertalot (1986)KRAMMER, K. & LANGE-BERTALOT, H. 1986. Bacillariophyceae: Naviculaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Jena. v. 2, pars 1, 876 p.
S. gracilis Ehrenberg (Figure 201)	L:88.7; W:15.9; S:19			1b		Reichardt (1995)REICHARDT, E. 1995. Die Diatomeen (Bacillariophyceae) in Ehrenbergs Material von Cayenne, Guayana Gallica (1843). In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Iconogr. Diatomologica. Gantner Verlag KG, Ruggell, v. 1, 49 p.
Bacillariaceae
Nitzschia clausii Hantzsch (Figure 203)	L:28.2-41.2; W:4.9-5.3; F:13			3a		Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p.
N. gracilis Hantzsch (Figures 196-197)	L:43.1-62.9; W:2.6-3.6; F:14			1bc		Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p.
N. intermedia Hantzsch ex Cleve & Grunow (Figures 198-199)	L:42.7-64.7; W:4-4.3; F:11-12			1b, 2b, 3a, 5c, 6c		Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p.
N. palea (Kützing) W. Smith var. palea (Figures 194-195)	L: 16.1-41.0; W: 2.4-4.7; F: 9-14			1bc, 2abc, 3ab, 4abc, 5bc, 6abc	1b, 3b, 5b, 6c	Rumrich et al. (2000)RUMRICH, U., LANGE-BERTALOT, H. & RUMRICH, M. 2000. Diatoms of the Andes. From Venezuela to Patagonia/Tierra del Fuego and two additional contributions. In Iconogr. Diatomol. Annotated Diatom Monographs (H. Lange-Bertalot, ed.). ARG Gantner Verlag KG, Rugell, v. 9, 673 p. Levkov et al. (2007)LEVKOV, Z., KRSTIC, S., METZELTIN, D. & NAKOV, T. 2007. Diatoms of Lakes Prespa and Ohrid: about 500 taxa from ancient lake system. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.16, 613 p.
N. perminuta (Grunow) Peragallo (Figures 190-191)	L:11.2-22.1; W:2.4-2.8; F:10-13			3ab, 4b, 5bc, 6b		Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p., Levkov et al. (2007)LEVKOV, Z., KRSTIC, S., METZELTIN, D. & NAKOV, T. 2007. Diatoms of Lakes Prespa and Ohrid: about 500 taxa from ancient lake system. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot, ed.). Gantner Verlag KG, Ruggell, v.16, 613 p.
N. vermicularis (Kützing) Hantzsch (Figure 202)	L:106.3; W:4.9; F:10			4b		Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p., Rumrich et al. (2000)RUMRICH, U., LANGE-BERTALOT, H. & RUMRICH, M. 2000. Diatoms of the Andes. From Venezuela to Patagonia/Tierra del Fuego and two additional contributions. In Iconogr. Diatomol. Annotated Diatom Monographs (H. Lange-Bertalot, ed.). ARG Gantner Verlag KG, Rugell, v. 9, 673 p.
Rhopalodiaceae
Rhopalodia gibberula (Ehrenberg) O. Muller (Figure 210)	L:36.1; W:8.6; S:19; A:9	6b				Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p.
Surirellaceae
Stenopterobia curvula (W. Smith) Krammer (Figure 206)	L:127.7-156.4; W:5.2; AC:7		1b			Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
S. delicatissima (Lewis) Brébissoni (Figure 207)	L:60.4-75.6; W:5.3-6.0; AC:7		4b, 6b		6c	Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
Surirella angusta Kutzing (Figure 204)	L:26.1; W:6.8; AC:7		1a			Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p.
S. biseriata var. constricta Hustedt (Figure 212)	L:190.4; W:17.6; AC:2		1a			Huber-Pestalozii (1942)HUBER-PESTALOZZI, G. 1942. Das Phytoplankton des Süsswassers Systematik und Biologie (Diatomeen). In Die Binnengewässer (A. Thienemann, ed.). E. SchweizerbartscheVerlagsbuchhandlung, Stuttgart, v.16, pars 2, 549 p.
S. lineares var. helvetica (Ehrenberg) Kützing (Figure 208)	L:49.9; W:14.5; AC:3		4b			Metzeltin & Lange-Bertalot (1998)MELTZELTIN, D. & LANGE-BERTALOT, H. 1998. Tropical Diatoms of South America I. About 700 predominantly rarely known or new taxa representative of the neotropical flora. In Iconogr. Diatomol., Annotated Diatom Monographs (H. Lange-Bertalot ed.). Gantner Verlag KG, Ruggell, v. 5, 220 p.
S. splendida (Ehrenberg) Kutzing (Figure 211)	L: 113; W: 40.3: AC:2		1a			Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p.
S. tenuissima Hustedt (Figure 205)	L:25.3; W:8.5; AC:4		1a			Simonsen (1987)SIMONSEN, R. 1987. Atlas and catalogue of the diatom types of Friedrich Hustedt. Gebrüder Nortraeger Versbuchanandlung. J. Cramer, Stuttgart. 3 v., Krammer & Lange-Bertalot (1988)KRAMMER, K. & LANGE-BERTALOT, H. 1988. Bacillariophyceae: Bacillariaceae, Epithemiaceae, Surirellaceae. In Süsswasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig, D. Mollenhauer, eds). Gustav Fischer, Stuttgart. v. 2,pars 2, 596 p.
Surirella sp. (Figure 209)	L:57.2; W:9.5; AC:4		6c

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