Publications
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1981. Caryological Evidences of Sexual Dimorphism in Orestias-Laucaensis - Pisces, Cyprino-Dontiformes. Archivos De Biologia Y Medicina Experimentales. 14(1):95-95.
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1982. A Review of Fresh Water Percoids from South America Pisces Osteichthyes Perciformes Percichthyidae and Perciliidae. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft. 540:5-52. Abstract
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1999. The monophyly of Teleostei and stem-group teleosts. Consensus and disagreements. :265–334.
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1980. Karyotypes of Trichomycterid Fishes (Siluriformes). Archivos De Biologia Y Medicina Experimentales. 13(1):137-137.
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1996. The Jurassic and the life history of teleosts. Mesozoic Fishes—Systematics and Paleoecology. Verlag Dr. Pfeil, München. :243–259.
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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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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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1987. Sexual dimorphism in the caudal skeleton of Cheirodon (Characidae, Teleostei). Cybium. 11(4):375-387. Abstract
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1995. Sensory canals and related bones of tertiary siluriform crania from Bolivia and North America and comparison with recent forms. Journal of Vertebrate Paleontology. 15(3):482-505. 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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1998. A new primitive acanthomorph fish from the Greenhorn Formation (Late Cretaceous) of Nebraska. Journal of Vertebrate Paleontology. 18(2):301-314. Abstract
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1983. Habitat Preferences of Siluriform Fishes of Chilean Continental Waters Families Diplomystidae and Trichomycteridae. Studies on Neotropical Fauna and Environment. 18(4):217-238. Abstract
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2000. New teleostean fishes from the Jurassic of southern Germany and the systematic problems concerning the 'pholidophoriforms'. Palaeontologische Zeitschrift. 74(1-2):113-143. Abstract
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1991. Genomic Mapping by Anchoring Random Clones a Mathematical Analysis. Genomics. 11(4):806-827. Abstract
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1992. Reevaluation of the Caudal Skeleton of Certain Actinopterygian Fishes: III. Salmonidae: Homologization of Caudal Skeletal Structures. Journal of Morphology. 214(2):187-249. Abstract
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1991. The caudal skeleton of Jurassic teleosts; a phylogenetic analysis. Early vertebrates and related problems in evolutionary biology. :249–282.
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1987. A new halecostome fish (Actinopterygii, Osteichthyes) from the Late Jurassic of Chile and its relationships. Dakoterra. 3:1-13.
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1987. Jurassic fishes from Chile and critical comments. Bioestratigrafia de los Sistemas Regionales del Jurásico Cretácico en América del Sur"(W. Volkheimer and EA Musacchio, eds.), Voi. 1:257-286.
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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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1987. Description of the Primitive Family Diplomystidae Siluriformes Teleostei Pisces Morphology Taxonomy and Phylogenetic Implications. Bonner Zoologische Monographien. (24):1-120. Abstract
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1996. Reassessment of the morphology of Cheirolepis canadensis (Actinopterygii). Devonian Fishes and Plants of Miguasha, Quebec, Canada. :165–197.
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1978. About Bullockia New-Genus Trichomycterus-Mendozensis New-Species and Revision of the Family Trichomycteridae Pisces Siluriformes. Studies on Neotropical Fauna and Environment. 13(3-4):157-194. Abstract
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1986. New Jurassic fishes (Teleostei) of Cordillera de Domeyko, northern Chile. Palaeontographica Abteilung A Palaeozoologie-Stratigraphie. 192(1-3):75-91. Abstract
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2000. PHYLOGENETIC RELATIONSHIPS OF TELEOSTEI. PAST AND PRESENT RELACIONES FILOGENÉTICAS DE TELEOSTEI: PASADO Y PRESENTE. Estud. Oceanol. 19:19-51.