Samarodus flexus

Ivanov, 2022


Classification: Elasmobranchii incert. sedis incert. fam.

Reference of the original description
Ivanov, A.O. (2022)
New late Carboniferous chondrichthyans from the European Russia. Bulletin of Geosciences, 97(2), 219–234

Types
Samarodus flexus
Holotype: PMSPU: SPU 77-21;


Description:


Citation: Samarodus flexus Ivanov, 2022: 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, 2022 [30561]: Small teeth with three cusps in the crown; cusps sigmoidally curved, with smooth labial face and small nodes in the upper part; central cusp slightly higher and wider than the lateral ones; lingual cusp surface ornamented by numerous straight, slightly wavy cristae; lateral carina in the upper part of the cusp; triangular or semicircular base with a smooth occlusal face; two small labio-basal tubercles with a shallow depression only on the basal face; pulp canals slightly extended at the cusp node; large foramina of three wide main horizontal vascular canals.

Remarks
shark-references Species-ID=16245;
type species of Samarodus Ivanov, 2022 [30561] by monotypy (Art. 68.3 ICZN);

References
Ivanov, A.O. (2022)
New late Carboniferous chondrichthyans from the European Russia. Bulletin of Geosciences, 97(2), 219–234
DOI: 10.3140/bull.geosci.1845