Antiquaobatis grimmenensis

STUMPF & KRIWET, 2019


Classification: Elasmobranchii Rajiformes incertae sedis

Reference of the original description
STUMPF, S. & KRIWET, J. (2019)
A new Pliensbachian elasmobranch (Vertebrata, Chondrichthyes) assemblage from Europe, and its contribution to the understanding of late Early Jurassic elasmobranch diversity and distributional patterns. Paläontologische Zeitschrift, 93 (4): 637–658

Types
Antiquaobatis grimmenensis
Holotype: GG: 438/57;


Description:


Citation: Antiquaobatis grimmenensis STUMPF & KRIWET, 2019: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 01/2021

No image available.
Please send your images of "Antiquaobatis grimmenensis" to
info@shark-references.com

Description
Original diagnose after Stumpf et al. (2013) p. 649 [27725]: Rajiform ray known from a single tooth only showing the following unique combination of morphological characters: crown-root junction not incised; neck collar broad; transverse crest wide, convex, and well-developed; no central cusp and no lateral cusplets; well-developed labial, not basally inclined apron with broad anterior margin present jutting out horizontally above the root; median lingual uvula short, narrow, low, and not overhanging the root; no lateral uvulae; tooth crown ornamentation restricted to the lowermost part of the neck collar; root massive and not lingually displaced with holaulacorhize vascularization pattern and flaring root lobes; lobes broad and V-shaped in labial view; labial and lingual root face vertical and straight; deep central and narrow nutritive groove; one pair of margino- lingual foramina.

Remarks
type species of Antiquaobatis Stumpf et al., 2016 p. 649 [27725] by original designation (Art. 68.2 ICZN);

valid after Stumpf et al. (2013) p. 649 [27725];


References
STUMPF, S. & KRIWET, J. (2019)
A new Pliensbachian elasmobranch (Vertebrata, Chondrichthyes) assemblage from Europe, and its contribution to the understanding of late Early Jurassic elasmobranch diversity and distributional patterns. Paläontologische Zeitschrift, 93 (4): 637–658
DOI: 10.1007/s12542-019-00451-4