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Article: The first record of xiphosurid (arthropod) trackways from the Saltwick Formation, Middle Jurassic of the Cleveland Basin, Yorkshire

Publication: Palaeontology
Volume: 46
Part: 2
Publication Date: March 2003
Page(s): 257 269
Author(s): Mike Romano and Martin A. Whyte
Addition Information

How to Cite

ROMANO, M., WHYTE, M. A. 2003. The first record of xiphosurid (arthropod) trackways from the Saltwick Formation, Middle Jurassic of the Cleveland Basin, Yorkshire. Palaeontology46, 2, 257–269.

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Abstract

Trackways attributed to a xiphosurid (arthropod) maker are described for the first time from the Middle Jurassic Saltwick Formation, Ravenscar Group, of the Cleveland Basin, Yorkshire. The trackways are assigned to Kouphichnium aff. variabilis (Linck, 1949) and clearly demonstrate the heteropody and varied behaviour of the maker. Their occasional asymmetry indicates a slight rotation of the body relative to the direction of locomotion. The Saltwick Formation has generally been regarded as a coastal plain deposit, and the presence of xiphosurid tracks reinforces the suggestions of periodic marine influences.
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