Glikmanius culmenis

KOOT, CUNY, TINTORI & TWITCHETT, 2013


Classification: Elasmobranchii Ctenacanthiformes Ctenacanthidae

Reference of the original description
KOOT, M.B. & CUNY, G. & TINTORI, A. & TWITCHETT, R.J. (2013)
A new diverse shark fauna from the Wordian (Middle Permian) Khuff Formation in the interior Haushi-Huqf area, Sultanate of Oman. Palaeontology, 56 (2): 303–343

Types
Glikmanius culmenis
Holotype: MPUM: 10928; Paratype: MPUM: 10909; MPUM: 10910;


Description:


Citation: Glikmanius culmenis KOOT, CUNY, TINTORI & TWITCHETT, 2013: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 06/2021

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Description
Original diagnose after Koot et al. (2013) p. 308 [18013]: Cladodont teeth with lingually curved biconvex main cusp and up to two small cusplet pairs. Outermost cusplet pair larger and innermost pair offset labially. Rarely, a third incipient cusplet pair flanks the main cusp. Fine ornamentation pattern consisting of anastomosing vertical cristae. Trapezoidal base with lingual apron. Weak development of two well-separated orolingual buttons. Slight basolabial depression. Vascularization consisting of numerous randomly located small foramina and one large foramen obliquely penetrating the entire depth of the base in the central part.

Remarks
valid after Koot et al. (2013) p. 309 [18013];


References
KOOT, M.B. & CUNY, G. & TINTORI, A. & TWITCHETT, R.J. (2013)
A new diverse shark fauna from the Wordian (Middle Permian) Khuff Formation in the interior Haushi-Huqf area, Sultanate of Oman. Palaeontology, 56 (2): 303–343
DOI: 10.1111/j.1475-4983.2012.01199.x
KOOT, M.B. (2013)
Effects of the late Permian mass extinction on chondrichthyan palaeobiodiversity and distribution patterns. Thesis, University of Plymouth