Denaea patula
Ivanov, 2024
Classification: Holocephali Symmoriiformes Falcatidae
Reference of the original description
New fishes from the Visean-Serpukhovian boundary beds (Carboniferous) of the Verkhnyaya Kardailovka section (South Urals, Russia). Palaeoworld, 33(4), 905–924
New fishes from the Visean-Serpukhovian boundary beds (Carboniferous) of the Verkhnyaya Kardailovka section (South Urals, Russia). Palaeoworld, 33(4), 905–924
Description:
Citation: Denaea patula Ivanov, 2024: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 08/2026
Description
Original diagnosis after Ivanov, 2024 [33343]: Small cladodont teeth with five- to sevencusped, fan-shaped symmetrical crown; cusps round in cross section, arranged in an arched line, gradually decreasing from the large central cusp to small lateral ones; inner intermediate cusps higher than central and outer intermediate ones; distinct cristae forming the inverted “V”-nested structure on the cusp labial side; tooth base triangular in shape, with prominent central part, mesial and distal depressions on the occlusal face; rounded, small apical button without distinct margins; narrow labio-basal projection under the central cusp.
Original diagnosis after Ivanov, 2024 [33343]: Small cladodont teeth with five- to sevencusped, fan-shaped symmetrical crown; cusps round in cross section, arranged in an arched line, gradually decreasing from the large central cusp to small lateral ones; inner intermediate cusps higher than central and outer intermediate ones; distinct cristae forming the inverted “V”-nested structure on the cusp labial side; tooth base triangular in shape, with prominent central part, mesial and distal depressions on the occlusal face; rounded, small apical button without distinct margins; narrow labio-basal projection under the central cusp.
Remarks
shark-references Species-ID=17653
shark-references Species-ID=17653
References
New fishes from the Visean-Serpukhovian boundary beds (Carboniferous) of the Verkhnyaya Kardailovka section (South Urals, Russia). Palaeoworld, 33(4), 905–924
DOI: 10.1016/j.palwor.2023.06.009

New fishes from the Visean-Serpukhovian boundary beds (Carboniferous) of the Verkhnyaya Kardailovka section (South Urals, Russia). Palaeoworld, 33(4), 905–924
DOI: 10.1016/j.palwor.2023.06.009







