Where: England, United Kingdom (50.7° N, 2.8° W: paleocoordinates 37.9° N, 6.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Spinatum (189.6 - 183.0 Ma)

• "Marlstone" at base of the Junction Bed between the Middle and Upper Lias, from the "P" or "Px" layer of Jackson (1926)

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Reposited in the BMNH

Primary reference: D. V. Ager. 1956. Some new Liassic terebratuloids. Proceedings of the Geologists' Association 67:1-14 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138211: authorized by Matthew Clapham, entered by Matthew Clapham on 06.01.2013

Creative Commons license: CC BY (attribution)