Weymouth Oxford Clay Formation (non-specific locality data) (Jurassic to of the United Kingdom)

Where: England, United Kingdom (50.6° N, 2.5° W: paleocoordinates 40.8° N, 7.9° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Oxford Clay Formation (Ancholme Group), Callovian to Callovian (166.1 - 157.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; claystone

Size class: macrofossils

Reposited in the BMNH

Collection methods: surface (in situ), mechanical,

Primary reference: J. B. Delair. 1960. The Mesozoic reptiles of Dorset. Part two. Proceedings of the Dorset Natural History and Archaeological Society 80:52-90 [M. Carrano/M. Carrano/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140700: authorized by Roger Benson, entered by Roger Benson on 15.03.2013, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia - Cryptoclididae
"Cryptocleidus eurymerus" = Cryptoclidus eurymerus, "Muraenosaurus plicatus" = Muraenosaurus leedsii
"Cryptocleidus eurymerus" = Cryptoclidus eurymerus Phillips 1871 plesiosaur
Dorsal vertebrae in the BMNH (no specific details given)
"Muraenosaurus plicatus" = Muraenosaurus leedsii Seeley 1874 plesiosaur
Four cervical centra, BMNH 44187
 Sauropterygia - Pliosauridae
"Pliosaurus ferox" = Liopleurodon ferox2
"Pliosaurus ferox" = Liopleurodon ferox2 Sauvage 1873 plesiosaur
A tooth (BMNH 39787) referred by Lydekker (1890, fig. 45) ;two large phalanges (BMNH R.400) were later referred by Delair (1960)
 Ichthyosauria - Ophthalmosauridae
Ophthalmosaurus monocharactus n. sp.1 Appleby 1956 ichthyosaur
Precise locality unknown (Leicester and Peterborough Museum collections)