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 10/2021

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