Publications
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1983. The caudal skeleton of ostariophysan fishes (Telostei): intraspecific variation in Trichomycteridae (Siluriformes). Journal of Morphology. 177(2):213-229. Abstract
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1998. Silvinichthys, a new genus of trichomycterid catfishes from the Argentinian Andes, with redescription of Trichomycterus nigricans. Ichthyological Exploration of Freshwaters. 9(4):347-370.
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2002. Selachians and actinopterygians from the Upper Jurassic of Tendaguru, Tanzania. Fossil Record. 5(1):207-230.
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1980. Biogeography of Fresh-Water Fishes from Chile. Archivos De Biologia Y Medicina Experimentales. 13(1):44-44.
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Submitted. Temporal sequence and morphological variation in Jurassic fishes of southern Germany. :15-18.
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2007. A new halecomorph fish from the Middle Triassic of Switzerland and its systematic implications. Journal of Vertebrate Paleontology. 27(4):838-849. Abstract
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1981. Revision of the Fresh Water Catfishes of the Genus Hatcheria Siluriformes Trichomycteridae with Commentaries on Ecology and Bio Geography. Zoologischer Anzeiger. 207(1-2):88-111. Abstract
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1975. Leptolepis-Opercularis New-Species from the Jurassic of Chile. Ameghiniana. 12(4):350-358. Abstract
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1990. The south american Trichomycterinae (Teleostei: Siluriformes), a problematic group. Vertebrates in the tropics. G. Peters and R. Hutterer (eds.). Museum Alexander Koenig, Bonn, Germany. :395–403.
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2009. Identifying patterns of diversity of the actinopterygian fulcra. Acta Zoologica (Copenhagen). 90(Suppl. 1):220-235. Abstract
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1999. The caudal skeleton of the Triassic actinopterygian Prohalecites and its phylogenetic position. Mesozoic fishes. :121–142.
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1987. Sexual dimorphism in the caudal skeleton of Cheirodon (Characidae, Teleostei). Cybium. 11(4):375-387. Abstract
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2008. The Ostariophysan Fossil Record: State of the Art. Journal of Vertebrate Paleontology. 28(3):46a-46a.
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1985. Late Jurassic Teleosts Actinopterygii Pisces from Northern Chile and Cuba. Palaeontographica Abteilung A Palaeozoologie-Stratigraphie. 189(1-3):29-61. Abstract
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1987. Orthogonikleithrus-Leichi New-Genus New-Species Pisces Teleostei from the Late Jurassic of West Germany. Palaeontologische Zeitschrift. 61(3-4):309-320. Abstract
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2003. The skin of catfishes–a review. Catfishes. 1:177-199.
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1981. Fishes of the Sub-Andean Cuyano Region. Archivos De Biologia Y Medicina Experimentales. 14(3):249-249.
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1984. Some osteological features of Varasichthys ariasi Arratia (Pisces, Teleostei) from the Late Jurassic of Chile. Palaeontologische Zeitschrift. 58(1-2):149-163. Abstract
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2000. Remarkable teleostean fishes from the Late Jurassic of southern Germany and their phylogenetic relationships. Fossil Record. 3(1):137-179.
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1996. The caudal skeleton of pachycormiforms: Parallel evolution. Mesozoic Fishes—Systematics and Paleoecology. München: Verlag Dr F Pfeil. :191–218.
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1982. Peces del altiplano de Chile. El Hombre y los ecosistemas de montaña (Eds. A. Veloso & E. Bustos). :93-133.
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1995. Importance of specific fossils in teleostean phylogeny. Geobios. 28:173-176.
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2010. Jurassic Fishes from the Latady Group, Antarctic Peninsula, and the Oldest Teleosts from Antarctica. Journal of Vertebrate Paleontology. 30(5):1331-1342. Abstract
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1978. Comentario sobre la introducción de peces exóticos en aguas continentales de Chile.;[Commentary on introduction of exotic fishes to continental waters in Chile]. Ciencias Forestales (Chile)..(Dic. 1(2):21-30.