Publications
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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.
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1979. Cladograms and Phylogenetic Trees. Systematic Zoology. 28:88-92. Abstract
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1979. The Eels Anguilla and Histiobranchus Photographed on the Floor of the Deep Atlantic in the Bahamas. Bulletin of Marine Science. 29:401-405. Abstract
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1979. Ventral Gill Arch Muscles and the Phylogenetic Relationships of Latimeria-Chalumnae. Occasional Papers California Academy of Sciences. O:56-67. Abstract
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1979. Fishes of Titicacense Province. Archivos De Biologia Y Medicina Experimentales. 12(4):496-496.
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1980. Must phylogenetic classifications be so complicated? Systematic Zoology. 29:309-313.
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1980. Phylogenetic systematics and vicariance biogeography. Systematic Botany. 5:194-220. Abstract
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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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1980. Systematic Aspects of Basilichthys from Chile (Pisces, Atherinidae). Archivos De Biologia Y Medicina Experimentales. 13(1):140-140.
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1981. Remarks on Willis' species concept. Systematic Zoology. 30:86-87.
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1981. Analysis of the Morphological and Chromosomal Differentiation of Chilean Pejerreyes (Pisces, Atherinidae). Archivos De Biologia Y Medicina Experimentales. 14(1):57-57.
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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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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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1982. Victims of history - a nonequilibrium approach to evolution. Systematic Zoology. 31:1-24.
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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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1982. Some comments on niche analysis in canonical space.. Ecology. 63:888-893.
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1983. Nonequilibrium Thermodynamics and Evolution: A Response to Løvtrup. Systematic Zoology. 32:209-219.
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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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1983. Trichomycterus-Chungaraensis New-Species and Trichomycterus-Laucaensis New-Species (Pisces, Siluriformes, Trichomycteridae) from the High Andean Range. Studies on Neotropical Fauna and Environment. 18(2):65-88. Abstract
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1984. A critique of Wagner groundplan-divergence studies and a comparison with other methods of phylogenetic analysis. Taxon. 33:212-232.
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1984. Family Lepisosteidae (gars) as living fossils. Living fossils. Springer-Verlag, New York. :160–165.
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1984. A method of preparing disarticulated skeletons of small fishes. Copeia. 1984:230-232.
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1984. The neopterygian Amia as a living fossil. Living fossils.. :153-159.

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