Animal Biology , Vol. 54, No. 4, pp. 331-351 (2004) Koninklijke Brill NV, Leiden, 2004. Also available online - www.brill.nl Phylogeny, origin and biogeography of catfishes: support for a Pangean origin of ‘modern teleosts’ and reexamination of some Mesozoic Pangean connections between the Gondwanan and Laurasian supercontinents RUI DIOGO ∗ Laboratory of Functional and Evolutionary Morphology, University of Liege, Liege, Belgium Abstract —The wide geographical distribution of the mainly freshwater catfishes has long intrigued the scientific community. This work provides a new insight into the phylogeny and the puzzling bio- geographical distribution of catfishes. The important implications for teleost biogeography and plate tectonics are discussed. The results of the author’s cladistic study on catfish higher level phylogeny, together with a revision of the data available concerning different fields such as palaeobiogeography, phylogeny, ecology and molecular biology, as well as the growing evidence supporting the existence of some remaining Pangean connections between Gondwana and Laurasia extending into the Early Cretaceous, strongly support a rather complex biogeographic scenario with multiple pre-drift and post-drift continental dispersions, vicariances, and, possibly, some marine migrations. According to this scenario: 1) catfishes originated in the South American region at a moment when there were
Animal Biology – Brill
Published: Jan 1, 2004
Keywords: LAURASIA; GONDWANA; PALAEOBIOGEOGRAPHY; TELEOSTS; TECTONICS; MESOZOIC; PHYLOGENY; CRETACEOUS; CATFISH ORIGIN; SILURIFORMES; BIOGEOGRAPHICAL DISTRIBUTION; OSTARIOPHYSI; PANGEA
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