Where: England, United Kingdom (51.6° N, 1.8° W: paleocoordinates 42.3° N, 8.1° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Kimmeridge Clay Formation (Ancholme Group), Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; claystone
Size class: macrofossils
Collected by Cunnington in 1875; reposited in the BMNH
Collection methods: quarrying, surface (in situ), mechanical,
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 139859: authorized by Roger Benson, entered by Roger Benson on 19.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
"Pliosaurus brachydirus" = Pliosaurus brachydeirus
"Pliosaurus brachydirus" = Pliosaurus brachydeirus Owen 1841 plesiosaur BMNH 46796 a considerable portion of the skeleton ; from the Kimeridge Clay of Swindon, Wiltshire. The bones remaining are as follows :—The nearly entire mandible, with the anterior portion of the cranium in apposition. The centra of two cervical and of two anterior dorsal vertebrae, and the neural arches and spines of two vertebrae. Fragments of the pectoral girdle : the imperfect humerus of either side ; the somewhat imperfect femora ; the united tibia and fibula of one side ; the tibia of the opposite side ; and a number of tarsal and a few phalangeal bones
| |