Thrinacodus cf. tranquillus
Ginter, 2000
Classification: Elasmobranchii Phoebodontiformes Phoebodontidae
Reference of the original description
Late Famennian pelagic shark assemblages. Acta Geologica Polonica, 50(3), 369–386
Late Famennian pelagic shark assemblages. Acta Geologica Polonica, 50(3), 369–386
Types
Thrinacodus cf. tranquillus
Thrinacodus cf. tranquillus
Description:
Citation: Thrinacodus cf. tranquillus Ginter, 2000: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 09/2026
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Description
Original diagnosis after Ginter, 2000 [3137]: The tooth crown is composed of three equal, leader, strongly recurved cusps, covered on both sides with gentle, subparallel cristae. The base is long (labio-lingually), very narrow, subcircular in vertical section close to the crown and flattened or concave in the lingual part; it is twisted, and it long axis is slightly curved in relation to the crown (with exception to few teeth probably of the symphysial row). The opening of the main basal canal is usually situated half-way along the base.
Original diagnosis after Ginter, 2000 [3137]: The tooth crown is composed of three equal, leader, strongly recurved cusps, covered on both sides with gentle, subparallel cristae. The base is long (labio-lingually), very narrow, subcircular in vertical section close to the crown and flattened or concave in the lingual part; it is twisted, and it long axis is slightly curved in relation to the crown (with exception to few teeth probably of the symphysial row). The opening of the main basal canal is usually situated half-way along the base.
References
Preliminary report on the occurrence of the ichthyoliths in the Upper Famennian and Lower Tournaisian of the Moravian Karst. Geologické výzkumy na Moravě a ve Slezsku, 20(1–2), 136–140
Preliminary report on the occurrence of the ichthyoliths in the Upper Famennian and Lower Tournaisian of the Moravian Karst. Geologické výzkumy na Moravě a ve Slezsku, 20(1–2), 136–140
