Resumo
The microsculpture of Rectartemon depressus (Heynemann, 1868) shell is described on scanning electron microscope. The generics characteristics are proposed: shell's dorsal sculture formed for ribs striae radial; nuclear whorls smooth; ventral surface of the shell smooth or slightly striate; and as specifics characteristics: the number of ribs striae radial on the last world. The R. (R.) depressus presented seven or eight ribs striae radial for millimeter.
Stylommatophora; Streptaxidae; Rectartemon (Rectartemon) depressus; photomicrography; shell
Stylommatophora; Streptaxidae; Rectartemon (Rectartemon) depressus; photomicrography; shell
Microescultura da concha de Rectartemon (Rectartemon) depressus (Heynemann) (Gastropoda, Stylomatophora, Streptaxidae)
The microsculpture of the shell of Rectaktbmon (Rectíartemon) depressus (Heynemann) (Gastropoda, Stylomatophora, Streptaxidae)
Mônica PicoralI,II; Vera Lúcia Lopes-PitoniI
IMuseu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul. Avenida Salvador França 1427, 90690-000 Porto Alegre, Rio Grande do Sul, Brasil
IIBolsista CNPq/RHAE
ABSTRACT
The microsculpture of Rectartemon depressus (Heynemann, 1868) shell is described on scanning electron microscope. The generics characteristics are proposed: shell's dorsal sculture formed for ribs striae radial; nuclear whorls smooth; ventral surface of the shell smooth or slightly striate; and as specifics characteristics: the number of ribs striae radial on the last world. The R. (R.) depressus presented seven or eight ribs striae radial for millimeter.
Key words: Stylommatophora, Streptaxidae, Rectartemon (Rectartemon) depressus, photomicrography, shell
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AGRADECIMENTOS. Ao Programa RHAE/CNPq; ao técnico Cleodir J. Manssan, do Laboratório de Microscopia Eletrônica de Varredura do MCN/FBZ, pelo auxtílio e sugestões; à Academy of Natural Sciences of Philadelphia (ANSP), Estados Unidos da América do Norte, pelo empréstimo do material científico malacológico.
REFERÊNCIAS BIBLIOGRÁFICAS
Albers, J.C. 1857. Diagnosen neuer Heliceen mit gelegentlicher Berichtigung einiger älteren Arten. Malak. BI., Cassel, 4:89-100.
Baker, H.B. 1925. The mollusca collected by the University of Michigan-Williamson Expedition in Venezuela. Part III. Pupilidae to Oleacinidae. Occ. Pap. Mus. Zool. Univ. Mich., Ann Arbor, 156:1-56.
Blanford, W.T. & H.H. Godwin-Austen. 1908. Mollusca Testacellidae and Zonitidae, p. 1-24. In: C.T. Bingham (Ed.). The fauna of British India including Ceylon and Burma.
Bruggen, A.C. 1967. An Introduction to the Pulmonate family Streptaxidae Jou. Conch. Lond., London, 26 (3):181-188.
Fulton, H. 1899. Descriptions of supposed new species of Streptaxis and Amphidromus. Proc. malac. Soe. Lond., London, 3 (6):302-303.
Heydrich, I. & J.W. Thomé. 1990. Padronização de caractertísticas conquiliológicas aplicáveis aos Streptaxidae sulbrasileiros (Mollusca; Gastropoda), p.536-537. In: Anais da Sociedade para o Progresso da Ciência. São Paulo, vol. 42, 567p.
Kobelt, W. 1905. Die Raublungenschnecken (Agnatha). Zweite Abteilung: Streptaxidae und Daudebardiidae. In: F.H.W. Martini & J.H. Chemnitz. Systematisches Conchylien-Cabinet, Nurenberg, 1:1-211p.
Löbbecke, T. 1881. Diagnosen neuer Arten. Nachr. Bl. dt. malakozool. Ges., Frankfurt, 13(4):49-51.
Martens, E. 1868. Über südbrasilische Land-und Süsswasser Mollusken nach den Sammlungen von Dr. R. Hensel. Malak. Bl., Cassei, 15:169-217.
Matzenbacher, N.I. 1985. Levantamento flortístico preliminar das compostas da fazenda São Maximiano - Guatíba - RS - Brasil. Comun. Mus. Ci. PUCRS, sér.Bot., Porto Alegre, 37:115-127.
Parkinson, B.; J. Hemmen & K. Groh. 1987. Tropical Landshells of the word. Wiesbaden, Western Germany, Verlag Christa Hemmen, 279p.
Pfeiffer, L. 1846. Die Schnirkelschnecken (Gattung Helix). In: F.H.W. Martini & J.H. Chemnitz. Systematisches Conchylien-Cabinet, Nurenberg, 1:1-400.
Picoral, M. & J.W. Thomé. 1993. Anatomia do sistema reprodutor de Rectartemon (Rectartemon) depressus (Heynemann, 1868) (Mollusca; Gastropoda; Streptaxidae). Biociências, Porto Alegre, 1 (1):5-24.
______. 1996. Anatomia e microanatomia do sistema reprodutor de Rectartemon (Rectartemon) depressus (Heynemann, 1868) (Mollusca, Gastropoda, Streptaxidae): Ovispermioducto ao Poro genital. Biociências, Porto Alegre, 4 (1):103-119.
Pilsbry, H.A. 1897. New Brasilian Streptaxidae. Proc. Acad. nat. Sci. Philad., Philadelphia, 49:477-479.
______. 1930. South American land and freshwater mollusks: Notes and Descriptions - VII. Proc. Acad. nat. Sci. Philad., Philadelphia, 82:355-365.
______. 1935. South American land and freshwater mollusks, IX - Colombian species. Proc. Acad. nat. Sci. Philad., Philadelphia, 87:83-88.
Thiele, J. 1927. Über einige brasilianische Landsnecken. Abh. sensckenb. naturforseh. Ges., Frankfurt, 40 (3):307-329.
Recebido em 28.II.1996; aceito em 27.XI.1997.
- Albers, J.C. 1857. Diagnosen neuer Heliceen mit gelegentlicher Berichtigung einiger älteren Arten. Malak. BI., Cassel, 4:89-100.
- Baker, H.B. 1925. The mollusca collected by the University of Michigan-Williamson Expedition in Venezuela. Part III. Pupilidae to Oleacinidae. Occ. Pap. Mus. Zool. Univ. Mich., Ann Arbor, 156:1-56.
- Blanford, W.T. & H.H. Godwin-Austen. 1908. Mollusca Testacellidae and Zonitidae, p. 1-24. In: C.T. Bingham (Ed.). The fauna of British India including Ceylon and Burma.
- Bruggen, A.C. 1967. An Introduction to the Pulmonate family Streptaxidae Jou. Conch. Lond., London, 26 (3):181-188.
- Fulton, H. 1899. Descriptions of supposed new species of Streptaxis and Amphidromus. Proc. malac. Soe. Lond., London, 3 (6):302-303.
- Heydrich, I. & J.W. Thomé. 1990. Padronização de caractertísticas conquiliológicas aplicáveis aos Streptaxidae sulbrasileiros (Mollusca; Gastropoda), p.536-537. In: Anais da Sociedade para o Progresso da Ciência. São Paulo, vol. 42, 567p.
- Kobelt, W. 1905. Die Raublungenschnecken (Agnatha). Zweite Abteilung: Streptaxidae und Daudebardiidae. In: F.H.W. Martini & J.H. Chemnitz. Systematisches Conchylien-Cabinet, Nurenberg, 1:1-211p.
- Löbbecke, T. 1881. Diagnosen neuer Arten. Nachr. Bl. dt. malakozool. Ges., Frankfurt, 13(4):49-51.
- Martens, E. 1868. Über südbrasilische Land-und Süsswasser Mollusken nach den Sammlungen von Dr. R. Hensel. Malak. Bl., Cassei, 15:169-217.
- Matzenbacher, N.I. 1985. Levantamento flortístico preliminar das compostas da fazenda São Maximiano - Guatíba - RS - Brasil. Comun. Mus. Ci. PUCRS, sér.Bot., Porto Alegre, 37:115-127.
- Parkinson, B.; J. Hemmen & K. Groh. 1987. Tropical Landshells of the word. Wiesbaden, Western Germany, Verlag Christa Hemmen, 279p.
- Pfeiffer, L. 1846. Die Schnirkelschnecken (Gattung Helix). In: F.H.W. Martini & J.H. Chemnitz. Systematisches Conchylien-Cabinet, Nurenberg, 1:1-400.
- Picoral, M. & J.W. Thomé. 1993. Anatomia do sistema reprodutor de Rectartemon (Rectartemon) depressus (Heynemann, 1868) (Mollusca; Gastropoda; Streptaxidae). Biociências, Porto Alegre, 1 (1):5-24.
- ______. 1996. Anatomia e microanatomia do sistema reprodutor de Rectartemon (Rectartemon) depressus (Heynemann, 1868) (Mollusca, Gastropoda, Streptaxidae): Ovispermioducto ao Poro genital. Biociências, Porto Alegre, 4 (1):103-119.
- Pilsbry, H.A. 1897. New Brasilian Streptaxidae. Proc. Acad. nat. Sci. Philad., Philadelphia, 49:477-479.
- ______. 1930. South American land and freshwater mollusks: Notes and Descriptions - VII. Proc. Acad. nat. Sci. Philad., Philadelphia, 82:355-365.
- ______. 1935. South American land and freshwater mollusks, IX - Colombian species. Proc. Acad. nat. Sci. Philad., Philadelphia, 87:83-88.
- Thiele, J. 1927. Über einige brasilianische Landsnecken. Abh. sensckenb. naturforseh. Ges., Frankfurt, 40 (3):307-329.
Datas de Publicação
-
Publicação nesta coleção
10 Jul 2009 -
Data do Fascículo
1998
Histórico
-
Aceito
27 Nov 1997 -
Recebido
28 Fev 1996
