Osteology and myology of the cephalic region and pectoral girdle of Schilbe mystus and comparison with other schilbids, with comments on the monophyly and phylogenetic relationships of the Schilbidae (Teleostei : Siluriformes)
[en] The cephalic and pectoral girdle structures of Schilbe mystus are described and compared with those of other schilbids, as well as several other non-schilbid catfishes, as the foundation for a discussion on the monophyly and the phylogenetic relationships of the Schilbidae. Our observations and comparisons suggest that the family Schilbidae is a monophyletic group, defined, at least, by three autapomorphies, namely: 1) the adductor mandibulae A2 is lateral to the A1-Ost; 2) the posterior margin of the horizontal portion of Meckel's cartilage is situated further beyond the coronoid process; 3) the adductor mandibulae Aomega is visible in a lateral view of the cephalic region. With respect to the phylogenctic relationships of the Schilbidae, our observations and comparisons support a close relationship between this family and the Pangasiidae.
Disciplines :
Zoology
Author, co-author :
Diogo, Rui; Université de Liège - ULiège
Chardon, Michel ; Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)
Vandewalle, Pierre ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Morphologie fonctionnelle et évolutive
Language :
English
Title :
Osteology and myology of the cephalic region and pectoral girdle of Schilbe mystus and comparison with other schilbids, with comments on the monophyly and phylogenetic relationships of the Schilbidae (Teleostei : Siluriformes)
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