Publications
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2001. The sister-group of Teleostei: Consensus and disagreements. Journal of Vertebrate Paleontology. 21(4):767-773. Abstract
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2004. Late Cretaceous–Paleocene percomorphs (Teleostei) from India—early radiation of perciformes. Recent advances in the origin and early radiation of vertebrates (eds Arratia G., Wilson MVH, Cloutier R.). :635–663.
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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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1996. Reassessment of the phylogenetic relationships of certain Jurassic teleosts and their implications on teleostean phylogeny. Mesozoic fishes—systematics and paleoecology. :219–242.
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1995. Morphology of the lateral line system and of the skin of diplomystid and certain primitive loricarioid catfishes and systematic and ecological considerations. Bonner Zoologische Monographien. (36):1-110. 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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1994. Phylogenetic and Paleogeographic Relationships of the Varasichthyid Group (Teleostei) from the Late Jurassic of Central and South-America. Revista Geologica De Chile. 21(1):119-165. Abstract
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1996. The record of fossil fishes of southern South America. Münchner Geowissenschftliche Abhandlungen, Reihe A–Geologie und Paläontologie. 30:9–72.
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2010. The first record of Late Jurassic crossognathiform fishes from Europe and their phylogenetic importance for teleostean phylogeny. Fossil Record. 13(2):317-341. Abstract
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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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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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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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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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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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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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2000. Bambiraptor feinbergi (Dinosauria, Theropoda, Dromaeosauridae). The Florida Symposium on Dinosaur Bird Evolution. Publications in Paleontology 2
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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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1997. Karyotypes of the most primitive catfishes (Teleostei: Siluriformes: Diplomystidae). Journal of Zoological Systematics and Evolutionary Research. 35(3):113-119. Abstract