Systematics of the genus Otothyris Myers 1927, with comments on geographic distribution (Siluriformes, Loricariidae, Hypoptopomatinae). American Museum novitates ; no. 3222

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dc.contributor.author Garavello, Julio C. en_US
dc.contributor.author Britski, Heraldo A. en_US
dc.contributor.author Schaefer, Scott Allen, 1958- en_US
dc.date.accessioned 2005-10-06T17:04:21Z
dc.date.available 2005-10-06T17:04:21Z
dc.date.issued 1998 en_US
dc.identifier.uri http://hdl.handle.net/2246/3504
dc.description 19 p. : ill. ; 26 cm. en_US
dc.description Includes bibliographical references (p. 18-19). en_US
dc.description.abstract "A revision of the genus Otothyris Myers, 1927, is presented on the basis of collections from the coastal river systems of southeastern Brazil. Otothyris is diagnosed among genera of the loricariid subfamily Hypoptopomatinae on the basis of autapomorphies of the cranial skeleton and caudal fin. Three new species are described and compared with the three nominal species of Otothyris, which are herein redescribed: Rhinelepis lophophanes Eigenmann and Eigenmann, 1889, is transferred to Otothyris under a new combination; Otocinclus cephalacanthus Ribeiro, 1911, and Otothyris canaliferus Myers, 1927, are junior synonyms of Otothyris lophophanes; we designate a lectotype from among the type series of O. canaliferus. Otothyris juquiae, n. sp. is described from the Juquiá River of the Ribeira de Iguape basin, São Paulo State; Otothyris rostrata, n. sp. is described from the coast of Rio Grande do Sul State; Otothyris travassosi, n. sp. is described from the isolated coastal rivers of Espírito Santo State. The species are compared by multivariate statistical analysis of morphometric characters, which distinguishes O. lophophanes and O. juquiae from O. rostrata and O. travassosi on the basis of variables with highest loadings on head depth, head width, and orbit diameter. We offer comments on the endemic distribution of the genus Otothyris in southeastern Brazil"--P. [1]. en_US
dc.format.extent 4001345 bytes
dc.format.mimetype application/pdf
dc.language eng en_US
dc.language.iso en_US
dc.publisher New York, NY : American Museum of Natural History en_US
dc.relation.ispartofseries American Museum novitates ; no. 3222 en_US
dc.subject.lcc QL1 .A436 no.3222, 1998 en_US
dc.subject.lcsh Otothyris -- Classification. en_US
dc.subject.lcsh Catfishes -- Brazil -- Classification. en_US
dc.subject.lcsh Fishes -- Brazil -- Classification. en_US
dc.title Systematics of the genus Otothyris Myers 1927, with comments on geographic distribution (Siluriformes, Loricariidae, Hypoptopomatinae). American Museum novitates ; no. 3222 en_US
dc.type text en_US

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  • American Museum Novitates
    Novitates (Latin for "new acquaintances"), published continuously and numbered consecutively since 1921, are short papers that contain descriptions of new forms and reports in zoology, paleontology, and geology. New numbers are published at irregular intervals.

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