Cooleyella platera
Hodnett & Elliott, 2018
Classification: Elasmobranchii incert. sedis Anachronistidae
Reference of the original description
Carboniferous chondrichthyan assemblages from the Surprise Canyon and Watahomigi formations (latest Mississippian–Early Pennsylvanian) of the western Grand Canyon, Northern Arizona. Journal of Paleontology, 92(Supplement S77), 1–33
Carboniferous chondrichthyan assemblages from the Surprise Canyon and Watahomigi formations (latest Mississippian–Early Pennsylvanian) of the western Grand Canyon, Northern Arizona. Journal of Paleontology, 92(Supplement S77), 1–33
Description:
Citation: Cooleyella platera Hodnett & Elliott, 2018: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 08/2026
Description
Original diagnosis after Hodnett & Elliott, 2018 [26883]: Small anachronistid neoselachian shark with monocuspid teeth 400–600 μm long mesiodistally, 400– 700 μm wide labiolingually, and 300–400 μm tall. Crown smooth and ovate, overlapping basolabial projection, no discernable median cusp, lingually inclined. Tooth base composed of single short basalolabial projection and tall and mesiodistally wide lingual ridge, both structures separated by a deep and broad central pit. Lingual foramen or longitudinal groove present on lingual ridge.
Original diagnosis after Hodnett & Elliott, 2018 [26883]: Small anachronistid neoselachian shark with monocuspid teeth 400–600 μm long mesiodistally, 400– 700 μm wide labiolingually, and 300–400 μm tall. Crown smooth and ovate, overlapping basolabial projection, no discernable median cusp, lingually inclined. Tooth base composed of single short basalolabial projection and tall and mesiodistally wide lingual ridge, both structures separated by a deep and broad central pit. Lingual foramen or longitudinal groove present on lingual ridge.
Remarks
shark-references Species-ID=15290;
shark-references Species-ID=15290;
References
Carboniferous chondrichthyan assemblages from the Surprise Canyon and Watahomigi formations (latest Mississippian–Early Pennsylvanian) of the western Grand Canyon, Northern Arizona. Journal of Paleontology, 92(Supplement S77), 1–33
DOI: 10.1017/jpa.2018.72
Carboniferous chondrichthyan assemblages from the Surprise Canyon and Watahomigi formations (latest Mississippian–Early Pennsylvanian) of the western Grand Canyon, Northern Arizona. Journal of Paleontology, 92(Supplement S77), 1–33
DOI: 10.1017/jpa.2018.72
