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Article: Predation on Kosmoceras by semionotid fish in the Middle Jurassic Lower Oxford Clay of England

Publication: Palaeontology
Volume: 33
Part: 3
Publication Date: August 1990
Page(s): 739 742
Author(s): David M. Martill
DOI:
Addition Information

How to Cite

MARTILL, D. M. 1990. Predation on Kosmoceras by semionotid fish in the Middle Jurassic Lower Oxford Clay of England. Palaeontology33, 3, 739–742.

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Abstract

Broken ammonite debris is common in the Lower Oxford Clay and is thought to be attributable in part to the activities of predators. A new specimen of Kosmoceras (Zugokosmoceras) cf. obductum (Buckman) displays a series of bite marks in the region of the peristome suggestive of the dentition of the fishes Lepidotes, Heterostrophus (Semionotidae) and Mesturus (Pycnodontidae).
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