Publications
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1982. Some comments on niche analysis in canonical space.. Ecology. 63:888-893.
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1997. Karyotypes of the most primitive catfishes (Teleostei: Siluriformes: Diplomystidae). Journal of Zoological Systematics and Evolutionary Research. 35(3):113-119. Abstract
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2007. Galatheanthemum profundale (Anthozoa : Actiniaria) in the western Atlantic. Bulletin of Marine Science. 80:191-200. Abstract
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2000. Bambiraptor feinbergi (Dinosauria, Theropoda, Dromaeosauridae). The Florida Symposium on Dinosaur Bird Evolution. Publications in Paleontology 2
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1985. Theories and Methods in Different Approaches to Phylogenetic Systematics. Cladistics. 1:1-11. Abstract
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1989. Entropy and information in evolving biological systems. Biology & Philosophy. 4:407-432.
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1988. Evolution as entropy. Toward a unified theory of biology. :i-xiv,1-415.
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1986. A Measure of the Information Content of Phylogenetic Trees and Its Use as an Optimality Criterion. Systematic Zoology. 35:571-581. Abstract
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1959. The characters and synonymy of the western Atlantic snake eel, Ophichthus ophis Linnaeus. Notulae Naturae [Philadelphia]. 320:1-9. Abstract
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1969. Western Atlantic Sponge Dwelling Gobies of the Genus Evermannichthys Their Taxonomy Habits and Relationships. Proceedings of the Academy of Natural Sciences of Philadelphia. 21:1-24.
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1995. New genus and species of seven-spined goby (Gobiidae: Gobiosomini) from the offing of the Amazon River, Brazil. Copeia. 1995:676-683. Abstract
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2007. Shipping and handling of natural history specimens in dangerous goods. Collection Forum. 22((1-2)):66-73.
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1995. Sublittoral sand dollar (Echinodiscus bisperforatus) communities in two bays on the South African south coast. South African Journal of Zoology. 30:5-17. Abstract
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1998. Reproductive cycle and gonadal histology of Echinodiscus bisperforatus along the southern coast of South Africa. Echinoderms. :571-576.
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1976. Identification of the American cyprinodontid fish Hydrargira swampini Lacepede. Proceedings biol. Soc. Wash.. 89:477-480..
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1975. The Osteo Cranium of Nematogenys-Inermis and Considerations on the Primitiveness of the Genus Pisces Siluriformes Trichomycteridae. Museo Nacional de Historia Natural Publicacion Ocasional (Santiago De Chile). (19):1-7. 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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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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1990. The Urohyal - Development and Homology within Osteichthyans. Journal of Morphology. 203(3):247-282.
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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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