First Mesozoic record of the stingray myliobatis wurnoensis from Mali and a phylogenetic analysis of myliobatidae incorporating dental characters

Authors

Kerin M. Claeson, Philadelphia College of Osteopathic MedicineFollow
Maureen A. O'Leary
Eric M. Roberts
Famory Sissoko
Mamadou Bouare
Leif Tapanila
David Goodwin
Michael D. Gottfried

Document Type

Article

Publication Date

2010

Abstract

New specimens, including the first record of lower dental plates, of the extinct myliobatid Myliubatis wurnoensis were recovered from the Maastrichtian (Late Cretaceous) of the Iullemmeden Basin, Mali, and are the oldest record of the taxon. We evaluated the phylogenetic position of this taxon with reference to other myliobatids (extinct and extant) using osteology and dentition. Our results indicate that Myliobatinae and Myliobatis are each paraphyletic, and that Aetobatus and Rhinoptera are monophyletic. We also found that taxa known only from the Cretaceous, Brachyrhizodus and Igdabatis, are highly nested within Myliobatidae. The phylogenetic position of these taxa unambiguously extends the origin of Myliobatidae and most of its representative taxa into the Mesozoic.

Publication Title

Acta Palaeontologica Polonica

Volume

55

Issue

4

First Page

655

Last Page

674

Comments

This article was published in Acta Palaeontologica Polonica, Volume 55, Issue 4, Pages 655-674.

Copyright © 2010 Polish Academy of Sciences.

Recommended Citation

Claeson, Kerin M.; O'Leary, Maureen A.; Roberts, Eric M.; Sissoko, Famory; Bouare, Mamadou; Tapanila, Leif; Goodwin, David; and Gottfried, Michael D., "First Mesozoic record of the stingray myliobatis wurnoensis from Mali and a phylogenetic analysis of myliobatidae incorporating dental characters" (2010). PCOM Scholarly Papers. 321.
https://digitalcommons.pcom.edu/scholarly_papers/321