Alopias crochardi

Ward, 1978


Classification: Elasmobranchii Lamniformes Alopiidae

Reference of the original description
Ward, D.J. (1978)
Additions to the fish fauna of the English Palaeogene. 1. Two new species of Alopias (Thresher Shark) from the English Eocene. Tertiary Research, 2(1), 23–28

Types
Alopias crochardi
Holotype: BMNH.: P.59532;


Description:


Citation: Alopias crochardi Ward, 1978: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2022

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Description
Original diagnose after Ward (1978) p. 25 [2491]: Alopias known only by isolated fossil tooth. Crown low, triangular, commissurally inclined, inflated and laterally expanded at the base. Root widely divergent and almost entirely covered by the crown. Median groove present, probably well developed.

Remarks
valid after Ward (1978) p. 25 [2491];


References
Rudebeck, B. & Riehmann, H. (2022)
Fossile hajtaender fra Trelde Naes. Self-published
Condamine, F.L. & Romieu, J. & Guinot, G. (2019)
Climate cooling and clade competition likely drove the decline of lamniform sharks. Proceedings of the National Academy of Sciences of the United States of America, 116(41), 20584–20590
DOI: 10.1073/pnas.1902693116
Carlsen, A.W. & Cuny, G. (2014)
A study of the sharks and rays from the Lillebælt Clay (Early–Middle Eocene) of Denmark, and their palaeoecology. Bulletin of the Geological Society of Denmark, 62, 39–88
DOI: 10.37570/bgsd-2014-62-04
Rayner, D. & Mitchell, T. & Rayner, M. (2009)
London Clay Fossils of Kent and Essex. Rochester, Kent, Medway Fossil and Mineral Society, 228 p, ISBN: 978–0–9538243–1–1
Kemp, D.J. (1982)
Fossil sharks, rays and chimaeroids of the English Tertiary period. Gosport Museum, 1–47, 10 fig., 3 tabl., 16 pl.
Ward, D.J. (1978)
Additions to the fish fauna of the English Palaeogene. 1. Two new species of Alopias (Thresher Shark) from the English Eocene. Tertiary Research, 2(1), 23–28