Phractocephalus hemiliopterus (Pimelodidae, Siluriformes) from the upper Miocene Urumaco Formation, Venezuela: a further case of evolutionary stasis and local extinction among South American fishes

LITERATURE CITED

• Bardack , D. 1961 . New Tertiary teleosts from Argentina. . American Museum Novitates , : 1 – 27 .
   Google Scholar
• Cione , A. L. 1978 . Aportes paleoictiologicos al conocimiento de la evolucion de las paleotemperaturas en la area austral de America del Sur durante el Cenozoico. Aspectos zoogeograficos y ecologicos conexos. . Ameghiniana , 15 : 183 – 208 .
   Google Scholar
• Eigenmann , C. H. 1912 . The freshwater fishes of British Guiana, including a study of the relation of the fauna of the plateau to that of the lowlands. Carnegie Museum . Memoirs , 5 : 1 – 554 .
   Google Scholar
• Gosline , W. A. 1947 . Contribution to the classification of the loricariid catfishes. Arquivos do Museu . Rio de Janeiro , 41 : 79 – 134 .
   Google Scholar
• Gonzalez de Juana , C. , Iturralde , J. M. and Picard , C. 1980 . Geología de Venezuela y de sus cuencas petrolíferas Vol. II , 415 – 1031 . Caracas : Ediciones Foninves .
   Google Scholar
• HafFer , J. 1982 . “ General aspects of the refuge theory ” . In Biological Diversification in the Tropics Edited by: Prance , G. T. 6 – 24 . New York : Columbia University Press .
   Google Scholar
• Hoffman , A. 1982 . “ Punctuated versus gradual mode of evolution: A reconsideration ” . In Evolutionary Biology Edited by: Hecht , M. K. , Wallace , B. and Prance , G. T. Vol. 15 , 411 – 436 .
   Google Scholar
• Howes , G. J. 1983 . Problems in catfish anatomy and phylogeny exemplified by the neotropical Hypophthalmidae (Teleostei: Siluroidei). Bulletin, British Museum (Natural History) . Zoological Series , 45 : 1 – 39 .
   Google Scholar
• Lundberg , J. G. 1975 . The fossil catfishes of North America. Museum of Paleontology. University of Michigan . Papers in Paleontology , : 1 – 51 .
   Google Scholar
• Lundberg , J. G. , Machado-Alison , A. and Kay , R. F. 1986 . Miocene characid fishes from Colombia: evolutionary stasis and extirpation. . Science , 234 : 208 – 209 .
   PubMed Web of Science ®Google Scholar
• Lundberg , J. G. and McDade , L. 1986 . On the South American catfish Brachyrhamdia imitator Myers (Siluriformes, Pimelodidae), with evidence for a large intrafamilial lineage. Academy of Natural Sciences of Philadelphia . Notula Naturae , : 1 – 24 .
   Google Scholar
• Mago-Leccia , F. 1970 . Lista de los peces de Venezuela incluyendo un estudio preliminar sobre la ictiogeografia del pais 283 Caracas, Venezuela : Oficina Nacional de Pesca, Ministerio de Agricultura y Cria .
   Google Scholar
• Medina , C. J. 1976 . Crocodilians from the late Tertiary of northwestern Venezuela: Melansuchus fisheri sp. nov. Museum of Comparative Zoology, Harvard University . Breviora , : 1 – 14 .
   Google Scholar
• Pascual , R. and Diaz de Gamero. , M. L. 1969 . Sobre la presencia del genero Eumegamys (Rodentia, Caviomorpha) en la Formacion Urumaco del Estado Falcon (Venezuela). Su significacion cronologica. Associacion Venezolana Geologia, Mineralogia, y Petrologia . Boletin Informativo , 12 : 369 – 387 .
   Google Scholar
• Roberts , T. R. 1975 . Characoid fish teeth from Miocene deposits in the Cuenca Basin, Ecuador. Journal of Zoology . London , 175 : 259 – 271 .
   Google Scholar
• Rod , E. 1981 . Notes on the shifting course of the ancient Rio Orinoco from Late Cretaceous to Oligocene time. Geos, Escuela de Geologia y Minas, Universidad Central de Venezuela . Caracas , 26 : 54 – 56 .
   Google Scholar
• Savage , D. E. 1951 . Report on fossil vertebrates from the upper Magdalena Valley, Colombia. . Science , 114 : 186 – 187 .
   PubMed Web of Science ®Google Scholar
• Schultz , L. P. 1944 . The catfishes of Venezuela with a description of 44 new forms. Proceedings . United States National Museum , 94 : 173 – 338 .
   Google Scholar
• Smith , G. R. 1981 . Late Cenozoic freshwater fishes of North America. . Annual Review of Ecology and Systematics , 12 : 163 – 193 .
   Google Scholar
• Stanley , S. M. 1979 . Macroevolution: Pattern and Process 332 San Francisco : W. H. Freeman Co. .
   Google Scholar
• Stanley , S. M. 1982 . Macroevolution and the fossil record. . Evolution , 36 : 460 – 473 .
   PubMed Web of Science ®Google Scholar
• Stewart , D. J. 1986 . Revision of Pimelodina and description of a new genus and species from the Peruvian Amazon (Pisces, Pimelodidae). . Copeia , 1986 : 653 – 671 .
   Google Scholar
• Stewart , D. J. and Pavlik , M. J. 1985 . Revision of Cheirocerus (Pisces, Pimelodidae) from tropical freshwaters of South America. . Copeia , 1985 : 356 – 367 .
   Google Scholar
• Weitzman , S. H. and Weitzman , M. 1982 . “ Biogeography and evolutionary diversification in Neotropical freshwater fishes, with comments on the refuge theory ” . In Biological Diversification in the Tropics Edited by: Prance , G. T. 403 – 422 . New York : Columbia University Press .
   Google Scholar
• Wood , R. C. 1976a . Two new species of Chelus (Testudines; Pleurodira) from the late Tertiary of northern South America. Museum of Comparative Zoology, Harvard University . Breviora , : 1 – 26 .
   Google Scholar
• Wood , R. C. 1976b . Stupendemys geographicus, the world's largest turtle. Museum of Comparative Zoology, Harvard University . Breviora , : 1 – 31 .
   Google Scholar
• Wood , R. C. and Diaz de Gamero. , M. L. 1971 . Podocnemis venezuelensis, a new pelomedusid (Testudines, Pleurodira) from the Pliocene of Venezuela and a review of the history of Podocnemis in South America. Museum of Comparative Zoology, Harvard University . Breviora , : 1 – 23 .
   Google Scholar
• Wood , R. C. and Patterson , B. 1973 . A fossil trionychid turtle from South America. Museum of Comparative Zoology, Harvard University . Breviora , : 1 – 10 .
   Google Scholar