Igdabatis sigmodon

Cappetta, 1972


Classification: Elasmobranchii Myliobatiformes Myliobatidae

Reference of the original description
Cappetta, H. (1972)
Les poissons crétacés et tertiaires du bassin des Iullemmeden (République du Niger). Palaeovertebrata, 5(5), 179–251

Synonyms / new combinations and misspellings
Igdabatis cf. sigmodon

Types
Igdabatis sigmodon
Holotype: USTL: IGB-18;


Description:


Citation: Igdabatis sigmodon Cappetta, 1972: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024

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Description
Original diagnose after Cappetta (1972) p. 215 [315]: Myliobatidé a dents médianes arquées transversalement, certaines ayant un contour nettement sigmoidal. Couronne haute d'épaisseur variable, portant line fine ornementation alvéolée. Deux a trois faces d'articulations latérales. Racine formée d'une alternance de sillons et de lames de largeur variable. Dents latérales rectilignes, a couronne très dissymétrique.

Remarks
shark-references Species-ID=3158;
type species of Igdabatis Cappetta 1972 [315] by original designation (Art. 68.2 ICZN);

valid after Cappetta (1972) p. 215 [315]; Blanco (2019) p. 870 [27336];

References
Guinot, G. & Condamine, F.L. (2023)
Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080
Claeson, K.M. & O'Leary, M.A. & Roberts, E.M. & Sissoko, F. & Bouaré, M. & Tapanila, L. & Goodwin, D. & Gottfried, M.D. (2010)
First Mesozoic Record of the Stingray Myliobatis wurnoensis from Mali and a Phylogenetic Analysis of Myliobatidae Incorporating Dental Characters. Acta Palaeontologica Polonica, 55(4), 655–674
DOI: 10.4202/app.2009.1117
Moody, R.T.J. & Sutcliffe, P.J.C. (1991)
The Cretaceous deposits of the Iullemmeden Basin of Niger, central West Africa Cretaceous Research, 12(2), 137–157
DOI: 10.1016/S0195-6671(05)80021-7
Prasad, G.V.R. & Sahni, A. (1987)
Coastal-plain microvertebrate assemblage from the terminal Cretaceous of Asifabad, Peninsular India. Journal of the Palaeontological Society of India, 32, 5–19
Courtillot, V. & Besse, J. & Vandamme, D. & Montigny, R. & Jaeger, J.-J. & Cappetta, H. (1986)
Deccan flood basalts at the Cretaceous-Tertiary boundary? Earth and Planetary Science Letters, 80, 361–374
Cappetta, H. (1972)
Les poissons crétacés et tertiaires du bassin des Iullemmeden (République du Niger). Palaeovertebrata, 5(5), 179–251