Arcuodus multicuspidatus
Itano & Lambert, 2018
Classification: Holocephali Cochliodontiformes
Reference of the original description
A new cochliodont anterior tooth plate from the Mississippian of Alabama (USA) having implications for the origin of tooth plates from tooth files. Zoological Letters, 4, Article 12
A new cochliodont anterior tooth plate from the Mississippian of Alabama (USA) having implications for the origin of tooth plates from tooth files. Zoological Letters, 4, Article 12
Description:
Citation: Arcuodus multicuspidatus Itano & Lambert, 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 Itano & Lambert, 2018 [26315]: Species of Arcuodus having tooth plates in which the margin of occlusal surface forms a moderately curved, convex arc with several low cusps. When viewed from lingual or labial ends, occlusal surface appears as a sharply pointed, angular ridge. The multicusped angular ridge distinguishes it from Arcuodus bialveatus (St. John and Worthen, 1883), comb. nov., which has a more smoothly convex occlusal surface.
Original diagnosis after Itano & Lambert, 2018 [26315]: Species of Arcuodus having tooth plates in which the margin of occlusal surface forms a moderately curved, convex arc with several low cusps. When viewed from lingual or labial ends, occlusal surface appears as a sharply pointed, angular ridge. The multicusped angular ridge distinguishes it from Arcuodus bialveatus (St. John and Worthen, 1883), comb. nov., which has a more smoothly convex occlusal surface.
Remarks
shark-references Species-ID=15068;
type species of Arcuodus Itano & Lambert, 2018 [26315] by original designation (Art. 68.2 ICZN);
shark-references Species-ID=15068;
type species of Arcuodus Itano & Lambert, 2018 [26315] by original designation (Art. 68.2 ICZN);
References
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
Carboniferous Fishes of Alabama, Arcuodus version 1. In J.A. Ebersole (ed.), Fossil Fishes of Alabama. McWane Science Center, Birmingham, Alabama 2(29), 1–4
DOI: 10.69737/WNWZ1965
A new cochliodont anterior tooth plate from the Mississippian of Alabama (USA) having implications for the origin of tooth plates from tooth files. Zoological Letters, 4, Article 12
DOI: 10.1186/s40851-018-0097-8
Arcuodus multicuspidatus Itano & Lambert, 2018 a New Genus and Species of Shark. Trilobite Tales, September, 2018, 18–20
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
Carboniferous Fishes of Alabama, Arcuodus version 1. In J.A. Ebersole (ed.), Fossil Fishes of Alabama. McWane Science Center, Birmingham, Alabama 2(29), 1–4
DOI: 10.69737/WNWZ1965
A new cochliodont anterior tooth plate from the Mississippian of Alabama (USA) having implications for the origin of tooth plates from tooth files. Zoological Letters, 4, Article 12
DOI: 10.1186/s40851-018-0097-8
Arcuodus multicuspidatus Itano & Lambert, 2018 a New Genus and Species of Shark. Trilobite Tales, September, 2018, 18–20
