Monophyly and geography of the Río Pánuco Basin swordtails (genus Xiphophorus) with descriptions of four new species. American Museum novitates ; ; no. 2975.

Rauchenberger, Mary.Kallman, Klaus D.Morizot, Donald C.2005-10-062005-10-061990http://hdl.handle.net/2246/507041 p. : ill. ; 26 cm.Includes bibliographical references (p. 39-41)9201631 bytesapplication/pdfen-USQL1 .A436 no.2975 1990Xiphophorus.Fishes -- Mexico -- Panuco River Basin.Monophyly and geography of the Río Pánuco Basin swordtails (genus Xiphophorus) with descriptions of four new species. American Museum novitates ; ; no. 2975.text