Isle of Portland, Kimmeridge Clay (non-specific collections data) (Jurassic to of the United Kingdom)

Where: England, United Kingdom (50.6° N, 2.4° W: paleocoordinates 41.3° N, 7.6° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Kimmeridge Clay Formation, Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

Environment/lithology: marine; claystone

Size class: macrofossils

Reposited in the BMNH

Collection methods: quarrying, surface (in situ), mechanical,

• DORCM, Dorset County Museum, Dorchester, Dorset, England, United Kingdom

Primary reference: R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia, Part II. Containing the orders Ichthyopterygia and Sauropterygia [M. Carrano/H. Street/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139861: authorized by Roger Benson, entered by Roger Benson on 19.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Sauropterygia -
"Thaumatosaurus carinatus" = Plesiosaurus carinatus
"Thaumatosaurus carinatus" = Plesiosaurus carinatus Cuvier 1824 plesiosaur
BMNH 41776 (anterior dorsal centrum), 31900 (posterior dorsal centrum)
 Sauropterygia - Cryptoclididae
"Cryptocleidus aff. richardsoni" = Cryptoclidus richardsoni
"Cryptocleidus aff. richardsoni" = Cryptoclidus richardsoni Lydekker 1889 plesiosaur
BMNH R1682, partial humerus first reported by Lydekker (1889, p. 277)
 Sauropterygia - Pliosauridae
"Pliosaurus brachydirus" = Pliosaurus brachydeirus
"Pliosaurus brachydirus" = Pliosaurus brachydeirus Owen 1841 plesiosaur
BMNH 42282, posterior cervical centrum purchased in 1869