Where: Oxfordshire, United Kingdom (51.7° N, 1.4° W: paleocoordinates 41.8° N, 8.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Peltoceras athleta ammonoid zone, Stewartby Member (Oxford Clay Formation), Late/Upper Callovian (164.7 - 161.2 Ma)

• Kosmoceras spinosum subzone

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified claystone

Size class: macrofossils

Reposited in the BMNH

Collection methods: surface (in situ),

Primary reference: A. B. Smith. 1995. Echinoids from the Jurassic Oxford Clay of England. Palaeontology 38(4):743-755 [L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 196233: authorized by Matthew Clapham, entered by Matthew Clapham on 09.09.2018

Creative Commons license: CC BY (attribution)