25
2
April
351
359
THULBORN, R. A. 1982. Liassic plesiosaur embryos reinterpreted as shrimp burrows. Palaeontology, 25, 2, 351–359.
Richard A. Thulborn A peculiar nodule from the Upper Liassic (Toarcian) shales of Whitby, Yorkshire, is interpreted as an infilled burrow system which was probably excavated by a shrimp-like crustacean (possibly Glyphea sp.)- This interpretation is supported by comparisons with fossil crustacean burrows in the ichnogenus Thalassinoides. The nodule had formerly been regarded as a cluster of fossil embryos from the aquatic reptile Plesiosaurus. The Palaeontological Association (Free Access)