Eorhinoptera grabdai
Case, Cook & Wilson, 2011
Classification: Elasmobranchii Myliobatiformes Rhinopteridae
Reference of the original description
A new genus and species of fossil myliobatoid ray from the Fishburne Formation (lower Eocene/Ypresian) of Berkeley County, South Carolina, USA. Historical Biology, 23(2–3), 139–144
A new genus and species of fossil myliobatoid ray from the Fishburne Formation (lower Eocene/Ypresian) of Berkeley County, South Carolina, USA. Historical Biology, 23(2–3), 139–144
Description:
Citation: Eorhinoptera grabdai Case, Cook & Wilson, 2011: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 09/2026
Description
Original diagnosis after Case, Cook & Wilson, 2011 [13118]: Rhinopterid with bar-shaped teeth, as elongated hexagons in occlusal view, measuring up to 1 cm in overall mesiodistal length and 1.5mm in labiolingual width Tooth crown with distinctly convex occlusal surface and slightly asymmetrical in labial view. Labial and lingual crown faces completely smooth or only slightly irregular. Lingual bulge present, thick and rounded. Root polyaulacorhizous with up to 12 wide lobes.
Original diagnosis after Case, Cook & Wilson, 2011 [13118]: Rhinopterid with bar-shaped teeth, as elongated hexagons in occlusal view, measuring up to 1 cm in overall mesiodistal length and 1.5mm in labiolingual width Tooth crown with distinctly convex occlusal surface and slightly asymmetrical in labial view. Labial and lingual crown faces completely smooth or only slightly irregular. Lingual bulge present, thick and rounded. Root polyaulacorhizous with up to 12 wide lobes.
References
A new genus and species of fossil myliobatoid ray from the Fishburne Formation (lower Eocene/Ypresian) of Berkeley County, South Carolina, USA. Historical Biology, 23(2–3), 139–144
DOI: 10.1080/08912963.2010.497607
A new genus and species of fossil myliobatoid ray from the Fishburne Formation (lower Eocene/Ypresian) of Berkeley County, South Carolina, USA. Historical Biology, 23(2–3), 139–144
DOI: 10.1080/08912963.2010.497607
