Fig. 1
Abdominal plate pattern of Dasyloricaria species. Anterior abdominal plates in gray; central abdominal plates in black; lateral abdominal plates dotted; posterior abdominal plates unpigmented.
Fig. 2
Map of northwestern South America (Colombia, Panama and Venezuela) showing the distributions of species of Dasyloricaria . Black dots: Dasyloricaria filamentosa ; black squares: D . paucisquama ; black triangles: D . latiura ; white circle: holotype of Loricaria filamentosa seminuda (= Dasyloricaria filamentosa ); white square: holotype of D . paucisquama ; white triangle: lectotype of Loricaria filamentosa latiura ; and white star: holotype of Loricaria capetensis (= Dasyloricaria latiura ) and holotype of L . tuyrensis (= Dasyloricaria latiura ).
Fig. 3
Dasyloricaria filamentosa . CP-UCO 350, 192.9 mm SL, Colombia, Caldas Department, Norcasia, río La Miel at La Cachaza, middle Magdalena basin, 5°39'N 74°46'W.
Fig. 4
Lectotype of Loricaria filamentosa . NMW 44874, 233.2 mm SL, Colombia, río Magdalena basin (exact locality unknown; photo provided by W. Helmut).
Fig. 5
Dasyloricaria latiura . IAvH-P 6777, 222.0 mm SL, Colombia, Chocó Department, río Yuto, río Atrato basin, Atlantic versant of Colombia. Arrow indicates plate next to the pectoral-fin origin.
Fig. 6
Lectotype of Loricaria filamentosa latiura . FMNH 124472, 220.0 mm SL, Colombia, Boca de Certegui, río Atrato basin, Atlantic versant of Colombia (photo reproduced from FMNH website with permission of Kevin Swagel).
Fig. 7
Holotype of Dasyloricaria paucisquama , MPUJ 6019, 203.2 mm SL, Colombia, Caldas Department, La Dorada, La Española farm at Zona El Gigante, río Purrio, río Magdalena basin, 5°21'N 74°48'W, 243 masl.
Fig. 8
Ventral view of neurocranium of Dasyloricaria paucisquama , CP-UCO 143. MESD: mesethmoid disc; VOM: vomer; MESCR: mesethmoid crest; MES: mesethmoid; LAT-ET: lateral ethmoid; PSPH: parasphenoid; OSPH: orbitosphenoid; PROT: prootic; CMP-PTE: compound pterotic; EXO: exoccipital; BAS: basioccipital; BA-LIG: Baudelot's ligament; TPWEB: transverse process of Weberian apparatus; AOR-CHA: aortic cannel; 6V: sixth vertebra. Scale bar = 5 mm.
Fig. 9
Dorsal view of neurocranium of Dasyloricaria paucisquama , CP-UCO 143. N: nasal bone; N-CH: nasal channel; LET: lateral ethmoid; F: frontal; F-CH: frontal channel; EP: epiphyseal pore; INF-ORB: infraorbitals (including channel); SP-PR: sphenotic process; SP: sphenotic; CMP-PTE: compound pterotic; SO: supraoccipital. Scale bar = 5 mm
Fig. 10
Lateral view of suspensorium of: a. Dasyloricaria paucisquama , CP-UCO 143; b. Spatuloricaria sp., MCP 15806; c. Pseudohemiodon sp., MCP 36577. HYO: hyomandibula; LAP-MCRT: levator arcus palatini muscle crest; PRE-OP: preopercle; Q: quadrate; MET: metapterygoid; SYM-CAR: symplectic cartilage. Scale bar = 5 mm.
Fig. 11
Lateral view of autopalatine of: a. Dasyloricaria paucisquama , CP-UCO 143; b. Loricaria cataphracta , MCP 41395; c. Harttia loricariformis , MCP 11707. Scale bar = 5 mm.
Fig. 12
Dorsal view of maxillary bone of: a. Dasyloricaria paucisquama , CP-UCO 143; b. D . latiura , USNM 293296; and lateral view: c. Dasyloricaria paucisquama , CP-UCO 143. MAX-COND: maxillary condyles. Scale bar = 5 mm.
Fig. 13
Ventral view of epibranchials 1-4 of: a. Rineloricaria strigilata , MCP 42644; b. Dasyloricaria paucisquama , CP-UCO 143; c. Loricariichthys anus , MCP 17235; d. Ixinandria steinbachi , MCP 41303; e. Sturisoma rostratum , MCP 36445; f. Harttia loricariformis , MCP 11707; g. Pseudohemiodon sp., MCP 36577; h. Loricaria cataphracta , MCP 41395. Anterior towards bottom. Scale bar = 2 mm.
Fig. 14
Ventral view of ceratobranchial 5 of: a. Rineloricaria strigilata , MCP 42644; b. Dasyloricaria paucisquama , CP-UCO 143; c. Loricaria cataphracta , MCP 41395; d. Ixinandria steinbachi , MCP 41303; e. Sturisoma rostratum , MCP 36445; f: Loricariichthys anus , MCP 17235; g. Pseudohemiodon sp., MCP 36577; h. Harttia loricariformis , MCP 11707. Anterior towards bottom. Scale bar = 1 mm.
Fig. 15
Lateral view of caudal skeleton of: a. Dasyloricaria latiura , USNM 293296; b. Harttia loricariformis , MCP 11707. AP2: second central preural apophysis; NESP: neural spine; UCR: upper caudal ray; HYPLT: hypural plate; HYP-PR: hypural plate process; HA: hypurapophysis; PC2: second preural center; VPR: ventral process. Scale bar = 5 mm.
Fig. 16
Lateral view of caudal peduncle of: a. Hypostomus pyrineusi , MCP 35814; b. Dasyloricaria paucisquama , MPUJ 6019. SC-PLT: supracaudal plates; LLLP: last lateral line pore. Scale bar = 5 mm.
Fig. 17
Ventral view of pectoral girdle of: a. Dasyloricaria paucisquama , CP-UCO 143; b. Ixinandria steinbachi , MCP 41303; c. Spatuloricaria tuira , MZUSP 94853. CL: cleitrhum; FA: fossa abductor ; COR: coracoids; COR-PR: coracoids process. Scale bar = 5 mm.
Fig. 18
Ventral view of pelvic girdle of: a. Dasyloricaria paucisquama , CP-UCO 143; b. Loricaria cataphracta , MCP 41395; c. Harttia loricariformis , MCP 11707. MPB: medial process of basipterygium; LPB: lateral process of basipterigium; AV: arrector ventralis ; LAP: lateropterygium; BCA: basipterygia cartilage; BSU: basipterygia suture; BPP: basipterygia posterior process; UPR: unbranched pectoral ray; B: basipterygia. Scale bar = 5 mm.
Fig. 19
Ventral view of snout in Dasyloricaria filamentosa , CP-UCO 350, 192.9 mm SL showing thick fleshy filaments on upper lip.
Fig. 20
Ventral view of abdominal plates pattern of: a. Dasyloricaria paucisquama , MPUJ 6019; b. Loricaria cataphracta , MCP 41395; c. Rineloricaria strigilata , MCP 42644. Scale bar = 5 mm.
Fig. 21
Maximum parsimonious tree showing intra and interspecific relationships of Dasyloricaria and part of the Loricariini. Length: 253 steps, consistency index (CI): 0.54, and retention index (RI): 0.65. Node numbers inside nodes. Bremer support values above branches. See character-state transformations in .
Table 1
Morphometric data for Dasyloricaria filamentosa and holotype of Loricaria filamentosa seminuda . Standard length in millimeters; holotype is included in range. HL: Head length; n: number of specimens analyzed; SD: standard deviation.
Table 2
Meristic counts for Dasyloricaria filamentosa and holotype of Loricaria filamentosa seminuda . n: number of specimens analyzed.
Table 3
Morphometric data for Dasyloricaria latiura . Standard length in millimeters; Lectotype of D. latiura included in range. A: lectotype of Loricaria latiura FMNH 124472; B: holotype of L. capetensis FMNH 7582; C: holotype of L. tuyrensis FMNH 7583; HL: Head length; n: number of specimens analyzed; SD: standard deviation.
Table 4
Meristic counts for Dasyloricaria latiura . n: number of specimens analyzed.
Table 5
Morphometric data for Dasyloricaria paucisquama . Standard length in millimeters; holotype included in range. HL: head length; n: number of specimens analyzed; SD: standard deviation.
Table 6
Meristic counts for Dasyloricaria paucisquama . n: number of specimens analyzed.