Squatinactis multicuspidatus

Ivanov, 2024

Classification: Elasmobranchii Squatinactiformes Squatinactidae

Reference of the original description

Ivanov, A.O. & Alekseev, A.S. & Nikolaeva, S. (2024)
New fishes from the Visean-Serpukhovian boundary beds (Carboniferous) of the Verkhnyaya Kardailovka section (South Urals, Russia). Palaeoworld, 33(4), 905–924

Types
Squatinactis multicuspidatus
Holotype: PMSPU: 108-27;

Description:

Citation: Squatinactis multicuspidatus Ivanov, 2024: 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, 2024 [33343]: Small cladodont teeth with slightly asymmetrical, multicuspid crown; high central and up to 6 main cusps; up to 15 small cusplets; labial accessory cusplets just above the crown/base junction; ornamentation comprising delicate cristae; tooth base with wide median depression; two wide apical buttons closely placed; two prominent labio-basal projections.

Remarks
shark-references Species-ID=17654

References