Academy of Natural Sciences The Neotropical Cascudinhos: Systematics and Biogeography of the Otocinclus Catfishes (Siluriformes: Loricariidae) Author(s): Scott A. Schaefer Source: Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 148 (Oct. 31, 1997), pp. 1-120 Published by: Academy of Natural Sciences Stable URL: http://www.jstor.org/stable/4065046 Accessed: 26-03-2015 15:15 UTC REFERENCES Linked references are available on JSTOR for this article: http://www.jstor.org/stable/4065046?seq=1&cid=pdf-reference#references_tab_contents You may need to log in to JSTOR to access the linked references. Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at http://www.jstor.org/page/info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact
[email protected]. Academy of Natural Sciences is collaborating with JSTOR to digitize, preserve and extend access to Proceedings of the Academy of Natural Sciences of Philadelphia. http://www.jstor.org This content downloaded from 192.134.151.170 on Thu, 26 Mar 2015 15:15:03 UTC All use subject to JSTOR Terms and Conditions PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPIA 148: 1-120. 31 OCTOBER 1997 The Neotropical cascudinhos:Systematics and biogeography of the Otocinclus catfishes (Siluriformes:Loricariidae) SCOTT A. SCHAEFER Department of Ichthyology,American Museumof Natural History, Central Park Westat 79th Street,New York, NY 10024-5192, USA ABSTRACT - The genus OtocinclusCope (1872) of the siluriform family Loricariidaeis diagnosed as monophyletic on the basis of shared derived characters of the cranial and hyobranchial skeleton, dorsal gill arch musculature, and gut.