Publications
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1970. Description of Craneal Bones in Species of Genus Merluccius. Archivos De Biologia Y Medicina Experimentales. 7(1-3):R58-&.
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1970. Some observations on marine life at Pulau Aur, Johore. Malayan Nature Journal. 23(4)
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1974. Actiniogeton sesere(Coelenterata, Actiniaria)in Hawaii. Pacific Science. 28(2):181-188.
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1974. Radianthus papillosa(Coelenterata, Actiniaria)redescribed from Hawaii. Pacific Science. 28(2):171-179.
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1975. Exotic Organisms an Unsolved Complex Problem. Bioscience. 25:306-313.
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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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1978. Percichthys-Lonquimayiensis New-Species from the Upper Paleocene of Chile Pisces Perciformes Serranidae. Journal of Paleontology. 52(3):727-736. Abstract
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1980. Karyotypes of Trichomycterid Fishes (Siluriformes). Archivos De Biologia Y Medicina Experimentales. 13(1):137-137.
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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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1981. Varasichthys-Ariasi New-Genus New-Species from the Upper Jurassic of Chile Pisces Teleostei Varasichthyidae New Family. Palaeontographica Abteilung A Palaeozoologie-Stratigraphie. 175(4-6):107-139. Abstract
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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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1983. Biology of Basilichthys-Microlepidotus Jenyns (Pisces, Atherinidae). Archivos De Biologia Y Medicina Experimentales. 16(2):R191-R191.
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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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1984. New catfishes of the genus Trichomycterus from the high Andes of South America (Pisces, Siluriformes) with remarks on distribution and ecology. Zoologische Jahrbuecher Abteilung fuer Systematik Oekologie und Geographie der Tiere. 111(4):493-520.
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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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1986. Aquatic specializations in anuran nasal morphology: the pipoid frogs. American Zoologist. 26:A84.
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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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1987. Anaethalion and similar teleosts (Actinopterygii, Pisces) from the Late Jurassic (Tithonian) of southern Germany and their relationships. Palaeontographica Abteilung A Palaeozoologie-Stratigraphie. 200(1-3):1-44. Abstract
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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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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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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. 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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1987. Sexual dimorphism in the caudal skeleton of Cheirodon (Characidae, Teleostei). Cybium. 11(4):375-387. Abstract
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1988. Aspectos reproductivos de Trichomycterus areolatus Valenciennes, 1846 (Pisces: Teleostei: Siluriformes) en Rio Angostura, Chile. Studies on Neotropical Fauna and Environment. 23(2):89-102.