Synechodus turneri

CASE, 1987


Classification: Elasmobranchii Synechodontiformes Palaeospinacidae

Reference of the original description
CASE, G.R. (1987)
A new selachian fauna from the Late Campanian of Wyoming (Teapot Sandstone Member, Mesaverde Formation, Big Horn Basin). Palaeontographica, Abt. A, 197 (1–3): 1–37, 12 fig., 15 pl., 3 tabl.

Types
Synechodus turneri
Holotype: AMNH-: 12010; Paratype: AMNH-: 12011; AMNH-: 12012; AMNH-: 12013; AMNH-: 12014; AMNH-: 12015; AMNH-: 12016; AMNH-: 12017; AMNH-: 12018; AMNH-: 12019;


Description:


Citation: Synechodus turneri CASE, 1987: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 03/2021

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Synechodus turneri CASE, 1987, Paratype © G. Case

Distribution Geographic
Broom Draw Quad, Worland SE Quad, Wyoming, USA [393]; Southeastern Alberta, USA [26316]

Distribution Strategraphy
Late Campanian, Mesaverde Formation [393]; Judith River Group (the Foremost and Oldman formations) [26316]

Material
Several dozen anterior and la teral teeth [393], one single tooth (RTMP96.71.12) [26316]

Description
Diagnosis after CASE, 1987 [393]: Teeth of small size, ranging in width from 0.3 to 0.8 cm, and averaging 0.5 cm. Height (central cusp to base of root) of anterior teeth of both jaws averaging 0.3 cm. Anterior teeth average from 4 to 5 accessory cusps.

Remarks
valid after Hoganson et al. (2019) p. 31 [27441];


References
HOGANSON, J.W. & ERICKSON, M. & HOLLAND, F.D. (2019)
Chondrichthyan and Osteichthyan Paleofaunas from the Cretaceous (Late Maastrichtian) Fox Hills Formation of North Dakota, USA: Paleoecology, Paleogeography, and Extinction. Bulletins of American Paleontology, 398: 1-94
PENG, J. & RUSSELL, A.P. & BRINKMAN, D.B. (2001)
Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman formations of the Judith River group (Campanian) of Southeastern Alberta : an illustrated guide. Provincial Museum of Alberta Natural History, Occassional Paper No. 25
PENG, J. (1997)
Palaeoecology Of Vertebrate Assemblages From The Upper Cretaceous Judith River Group (Campanian) Of Southeastern Alberta, Canada. unpublished thesis, University of Calgary
CASE, G.R. (1987)
A new selachian fauna from the Late Campanian of Wyoming (Teapot Sandstone Member, Mesaverde Formation, Big Horn Basin). Palaeontographica, Abt. A, 197 (1–3): 1–37, 12 fig., 15 pl., 3 tabl.