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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 (2), frontals (2), postfrontals (2), vomer/parasphenoid (2 frags.), quadrates (2), quadrato-jugal (R - mostly modelled), basisphenoid, basioccipital, supraoccipital, parietals (2), alisphenoids (2), prootics (2), squamosals (2), sclerotic plate fragments (4), upper jaw teeth (14/16), sockets for around 20; mid-skull: lacrimal (L); lower skull (wired together): articulars (2), prearticulars (2), angulars (2), surangulars (2), coronoids (2), splenials (2+possible frag., anterior tips missing), dentaries (2, posterior 2/3 of both), hyoid (3/4 of one), lower jaw teeth (5/0), sockets for up to 5; unplaced teeth (5); shoulder girdle (wired): scapulae (2), coracoids (2, damaged), humeri (2), radius (R), phalangeal fragment (1); hip girdle: femora (2); post-cranial: atlas/axis, odontoid, cervical (5), dorsal (14), chevrons (1 possible frag.), neural arch fragments (1 transverse process), neural spine fragments (axis + 1), ribs: atlas (2), axis (2, 1 modelled), cervical (9, 1 modelled), dorsal (12L,13R) + 1 frag.
Identification as *Metriorhynchus superciliosus* on the basis of tooth number (20 or more) in upper jaw, and that the nasals and pre-maxillaries are separated from contact by a reasonable distance, and the ratio of the post-frontal width/cranial length (1:4.33).
Pectoral girdle has previously been wired (with some Araldite!!!), sclerotic plates modelled and mounted, R paddle modelled and mounted, and vertebrae/ribs modelled up, in preparation for this specimen being used as a mounted display.
Snout on display in the 'In Sickness and in Health' case in the Earth-Life display in the Main Hall of the museum, at station 8E (removed on 4/7/2005, in advance of Main Hall decant the following month).
24/2/2011 - drawer restructuring, in wake of finding cast ribs and centra for the display version of this animal:
Blu:1.8 - cranial and limb material; Blu:2.8 - ribs & verts of C1-7, D1-14, c/w casts of C7-D9. | 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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