Animal Biology , Vol. 53, No. 4, pp. 379-396 (2003) Ó Koninklijke Brill NV, Leiden, 2003. Also available online - www.brill.nl On the osteology and myology of the cephalic region and pectoral girdle of Heteropneustes fossilis (Siluriformes: Heteropneustidae), with comments on the phylogenetic relationships between Heteropneustes and the clariid cat shes RUI DIOGO ¤ , MICHEL CHARDON and PIERRE VANDEWALLE Laboratory of Functional and Evolutionary Morphology, Bat. B6, University of Liège, B-4000 Sart-Tilman (Liège), Belgium Abstract —The osteological and myological structures of the cephalic region and pectoral girdle of the Asiatic cat sh Heteropneustes fossilis are described and compared with those of several other cat- shes, as the foundation for an analysis on the phylogenetic relationships of the genus Heteropneustes . Our observation and comparisons support a close relationship between Heteropneustes and the clariid cat shes. More speci cally, the present study supports De Pinna’s 1993 study, according to which Horaglanis and Uegitglanis , two genera commonly included in the family Clariidae, are the suces- sive sister-groups of a monophyletic clade composed by the genus Heteropneustes and the remaining clariid genera. Keywords : cat sh; cephalic region; Clariidae; comparative morphology; Heteropneustes ; pectoral girdle; phylogeny; Siluriformes. INTRODUCTION
Animal Biology – Brill
Published: Jan 1, 2003
Keywords: PHYLOGENY; CATFISH; SILURIFORMES; HETEROPNEUSTES; COMPARATIVE MORPHOLOGY; CEPHALIC REGION; CLARIIDAE; PECTORAL GIRDLE
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