Eight almost complete medium-large sized (about 33 cm in s.l.) fossil fishes, belonging to the family Colobodontidae, are described from the Pelsonian (Anisian, Middle, Triassic) of South China. Their cranial and postcrainal features fit those of the genus Colobodus Agassiz, 1844 from the western Tethys. However, they are older than the previously known Colobodus species and, furthermore, they come far from the western Tethys, where most colobodontids have been found so far. The significance of our new findings, beyond the election of a new species, lies in the fact that they are the first definite record of Colobodus Outside the western Tethyan faunal province, and represent the oldest unequivocal colobodontids worldwide, as well as suggest that they could have originated in the East rather than in the western Tethys, as previously thought.

A new species of the Genus Colobodus Agassiz 1844 (Osteichthyes, Actinopterygii) from the Pelsonian (Anisian, Middle Triassic) of Guizhou (South China) / Z.Y. Sun, A. Tintori, C.R.S. Lombardo, D.Y. Jiang, W.C. Hao, Y.L. Sun, F.X. Wu, M.R. Rusconi. - In: RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA. - ISSN 0035-6883. - 114:3(2008), pp. 363-376.

A new species of the Genus Colobodus Agassiz 1844 (Osteichthyes, Actinopterygii) from the Pelsonian (Anisian, Middle Triassic) of Guizhou (South China)

A. Tintori
Secondo
;
C.R.S. Lombardo;M.R. Rusconi
Ultimo
2008

Abstract

Eight almost complete medium-large sized (about 33 cm in s.l.) fossil fishes, belonging to the family Colobodontidae, are described from the Pelsonian (Anisian, Middle, Triassic) of South China. Their cranial and postcrainal features fit those of the genus Colobodus Agassiz, 1844 from the western Tethys. However, they are older than the previously known Colobodus species and, furthermore, they come far from the western Tethys, where most colobodontids have been found so far. The significance of our new findings, beyond the election of a new species, lies in the fact that they are the first definite record of Colobodus Outside the western Tethyan faunal province, and represent the oldest unequivocal colobodontids worldwide, as well as suggest that they could have originated in the East rather than in the western Tethys, as previously thought.
Actinopterygians; Colo-bodus; Middle triassic; New taxon; Pelsonian; Perleidiformes; South China
Settore GEO/01 - Paleontologia e Paleoecologia
2008
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/48886
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