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Article
Hexanchiforme nouveau (Neoselachii) du Crétacé inférieur du Sud de la France
Published online: 18/12/1990
Keywords:
Hexanchiformes; New genera; Southern France; Systematics; Valanginian
https://doi.org/10.18563/pv.20.1.33-54
References: 28
Cite this article:
Henri Cappetta, 1990. Hexanchiforme nouveau (Neoselachii) du Crétacé inférieur du Sud de la France. PalaeoVertebrata 20 (1): 33-54. doi: 10.18563/pv.20.1.33-54
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Abstract
The dentition of Welcommia bodeuri nov. gen. nov. sp. from the Valanginian of Southem France is described and reconstructed. Species and genera of Upper Jurassic and Lower Cretaceous Hexanchiformes are reviewed and discussed.
The genus Notidanoides MAISEY, 1986 must be restricted to the single Nusplingen Upper Jurassic specimen, whose attribution to the species muensteri AGASSIZ, 1843 remains doubtful.
The genus Paranotidanus WARD &THIES, 1987 that does not rest on any type-species nor on any precise dental characterization must be rejected.
The genus Eonotidanus PFEIL, 1983, based on a very poorly preserved and heterogeneous type-material must also be rejected.
Teeth from the Lower Cretaceous, with a peculiar morphology, previously assigned to Eonotidanus or to Notidanoides, are to be ranked in the new genus Pachyhexanchus.
Published in Vol. 20, Fasc. 1 (1990)
References
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