Also known as Tholemys passmorei type locality

Where: England, United Kingdom (51.6° N, 1.8° W: paleocoordinates 42.2° N, 8.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lower Member (Kimmeridge Clay Formation), Late/Upper Kimmeridgian (155.7 - 150.8 Ma)

• At a depth of 12-14 feet in blue Kimmeridge Clay.

•Exact horizon unknown, but believed to be Aulacostephanus pseduomutabilis and/or Rasenia mutabilis Zones (now = Aulacostephanus eudoxus and Aulacostephanus mutabilis Zones)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified claystone

Size class: macrofossils

Collected by Mr A. D. Passmore in 1905; reposited in the BMNH

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

Primary reference: C. W. Andrews. 1921. XIII. On a new chelonian from the Kimmeridge Clay of Swindon. Annals And Magazine of Natural History 7:145-153 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138007: authorized by Roger Benson, entered by Roger Benson on 02.01.2013

Creative Commons license: CC BY (attribution)