Tamiobatis elgae

Ivanov, 2018


Classification: Elasmobranchii Ctenacanthiformes Ctenacanthidae

Reference of the original description
Ivanov, A.O. & Plax, D.P. (2018)
Chondrichthyans from the Devonian–Early Carboniferous of Belarus. Estonian Journal of Earth Sciences, 67(1), 43–58

Types
Tamiobatis elgae
Holotype: PMSPU: GIT783-1;


Description:


Citation: Tamiobatis elgae Ivanov, 2018: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 08/2026

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Description
Original diagnosis after Ivanov, 2018 [26006]: Teeth with multicuspid cladodont crown; central cusp twice as high and three times more broad than the lateral and intermediate cusps; pair of high accessory cusplets placed outside the lateral cusps; two rows of numerous high and small accessory cusplets placed labially; intermediate cusps and cusplets differently directed and incurved; labial cristae on the central cusp extended and prominent at the base; sublenticular base very elongated mesio-distally; ridge-like apical button considerably elongated, placed close to the lingual rim; shelf-like wide labio-basal projection; dense network of vascular canals occupying the entire tooth base.

Remarks
shark-references Species-ID=15005;

References
Ivanov, A.O. & Plax, D.P. (2018)
Chondrichthyans from the Devonian–Early Carboniferous of Belarus. Estonian Journal of Earth Sciences, 67(1), 43–58
DOI: 10.3176/earth.2018.03