Premontreia (Oxyscyllium) carinatus
(Reinecke & Engelhard, 1997)
Classification: Elasmobranchii Carcharhiniformes Scyliorhinidae
Reference of the original description
The selachian fauna from Geschiebe of the Lower Selandian basal conglomerate (Thanetian, Late Paleocene) in the Danish subbasin (Sealand, Scania, Western Baltic Sea). Erratica, 2, 3–45
The selachian fauna from Geschiebe of the Lower Selandian basal conglomerate (Thanetian, Late Paleocene) in the Danish subbasin (Sealand, Scania, Western Baltic Sea). Erratica, 2, 3–45
Synonyms / new combinations and misspellings
Scyliorhinus carinatus
Scyliorhinus carinatus
Description:
Citation: Premontreia (Oxyscyllium) carinatus (Reinecke & Engelhard, 1997): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024
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Description
Original description after Reinecke & Engelhard (1997) p. 22 [2031]: Tooth from anterior or anterolateral jaw position with erect slender cusp, bent lingually. Two pairs of robust cusplets: inner pair clearly separated from the cusp, with diverging apex, about one third of the total crown in height; outer cusplets much lower and united with the inner cusplets. Lingual crown face strongly convex, displaying weak discontinuous folds that extend from near the root-crown junction to the upper third of the cusp. Basal labial crown face ornamented by strong, parallel ridges of rectangular profile which fade out in the middle of the main cusp and reach almost the tips of the cusplets. Root holaulacorhize and rather low, slightly wider than the crown, with flat basal face and marked lingual protuberance. Root lobes clearly separated by the incised nutrient groove. Root faces show two pairs of margino-labial and three pairs of margino-lingual foramina.
Original description after Reinecke & Engelhard (1997) p. 22 [2031]: Tooth from anterior or anterolateral jaw position with erect slender cusp, bent lingually. Two pairs of robust cusplets: inner pair clearly separated from the cusp, with diverging apex, about one third of the total crown in height; outer cusplets much lower and united with the inner cusplets. Lingual crown face strongly convex, displaying weak discontinuous folds that extend from near the root-crown junction to the upper third of the cusp. Basal labial crown face ornamented by strong, parallel ridges of rectangular profile which fade out in the middle of the main cusp and reach almost the tips of the cusplets. Root holaulacorhize and rather low, slightly wider than the crown, with flat basal face and marked lingual protuberance. Root lobes clearly separated by the incised nutrient groove. Root faces show two pairs of margino-labial and three pairs of margino-lingual foramina.
Remarks
shark-references Species-ID=4984;
shark-references Species-ID=4984;
References
Feeding ecology has shaped the evolution of modern sharks. Current Biology, 31(23), 5138–5148
DOI: 10.1016/j.cub.2021.09.028
The selachian fauna from Geschiebe of the Lower Selandian basal conglomerate (Thanetian, Late Paleocene) in the Danish subbasin (Sealand, Scania, Western Baltic Sea). Erratica, 2, 3–45
Feeding ecology has shaped the evolution of modern sharks. Current Biology, 31(23), 5138–5148
DOI: 10.1016/j.cub.2021.09.028
The selachian fauna from Geschiebe of the Lower Selandian basal conglomerate (Thanetian, Late Paleocene) in the Danish subbasin (Sealand, Scania, Western Baltic Sea). Erratica, 2, 3–45
