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Description: | Peterborough [district, Cambridgeshire], [England] [probably ex.] [Bed 10 (Hudson & Martill, 1994)], Oxford Clay [Formation, Peterborough Member, ("Gryphaea and Reptile Beds")], [*Kosmoceras jason jason* Zone],[Middle Callovian], [Jurassic (Middle)] ...pre-frontals (R, partial L), frontals (2), post-frontals (2), quadrates (2), basisphenoid, basioccipital, parietals (2), alisphenoids (L, half R), prootic (L), squamosals (2); unplaced skull fragments (19).
Formerly referred to as *Metriorhynchus sp.*.
The Adams-Tresman formula for species determination (width of post-frontals to length of skull) was applied, but there were gaps of indeterminant size in the length of the snout, and the minimum measurement was border-line, thus making it unclear which species this individual belongs to.
There is more than one individual constituting this specimen, but this seems to be restricted to one extra right palatine bone. No suggestion can confidently be made as to the possible source of this bone, if indeed there is another specimen within the collection that it belongs to, but it does fit well into a gap left by a missing right palatine in V974 (which has already had a component of V973 added to it!!), and matches for size/age/preservational morphology. An 'extra' right quadrato-jugal head with the smaller specimen V978 fits perfectly on to the facet of this specimen, but that is, however, inconclusive. | License: | http://www.hmag.gla.ac.uk/spirit/rights/ | Publisher: | Hunterian Museum and Art Gallery, University of Glasgow | Rights holder: | Hunterian Museum and Art Gallery, University of Glasgow | Subjects: | VERTTETRREPTIL : CROCMETR : FOSSIL : | Source: | Hunterian Museum | Creator: | Hunterian Museum and Art Gallery, University of Glasgow | Identifier: | http://www.huntsearch.gla.ac.uk/cgi-bin/... | Language: | en-GB | Go to resource |
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