Ctenacanthus ishii
Kapoor & Sahni, 1971
Classification: Elasmobranchii Ctenacanthiformes incert. fam.
Reference of the original description
A Shark Tooth from Zewan Series of Guryul Ravine, Kashmir. Memoirs of the Faculty of Science, Kyoto University. Series of Geology and Mineralogy, 38(1), 163–166
A Shark Tooth from Zewan Series of Guryul Ravine, Kashmir. Memoirs of the Faculty of Science, Kyoto University. Series of Geology and Mineralogy, 38(1), 163–166
Description:
Citation: Ctenacanthus ishii Kapoor & Sahni, 1971: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024
Description
Original diagnose after Kapoor & Sahni (1971) p. 164 [28543]: T he tooth with a central elevated cusp, oriented at right angle to the basal root plate; eight subsidiary cusps of which the extreme lateral pair is the largest (approximately 1/3 of central cusp) making an angle of 11 5° with the base; section of the central cusp oval in outline; root plate reniform in basal view, labial border almost straight and lingual side convex.
Original diagnose after Kapoor & Sahni (1971) p. 164 [28543]: T he tooth with a central elevated cusp, oriented at right angle to the basal root plate; eight subsidiary cusps of which the extreme lateral pair is the largest (approximately 1/3 of central cusp) making an angle of 11 5° with the base; section of the central cusp oval in outline; root plate reniform in basal view, labial border almost straight and lingual side convex.
References
A Shark Tooth from Zewan Series of Guryul Ravine, Kashmir. Memoirs of the Faculty of Science, Kyoto University. Series of Geology and Mineralogy, 38(1), 163–166
A Shark Tooth from Zewan Series of Guryul Ravine, Kashmir. Memoirs of the Faculty of Science, Kyoto University. Series of Geology and Mineralogy, 38(1), 163–166
