Where: Somerset, United Kingdom (51.0° N, 2.6° W: paleocoordinates 37.7° N, 4.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Obtusum (196.5 - 189.6 Ma)

• Stellare subzone, from sn2 nodules and ammonite or nautiloid body chamber fragments ~3.4 m above bed A.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary shale

Size class: macrofossils

Reposited in the OUM

Primary reference: M. Edmunds, J. Whicher, P. Langham and R. B. Chandler. 2016. A systematic account of the ammonite faunas of the Obtusum Zone (Sinemurian Stage, Lower Jurassic) from Marston Magna, Somerset, UK. Proceedings of the Geologists' Association 127:146-171 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 179703: authorized by Matthew Clapham, entered by Matthew Clapham on 26.06.2016

Creative Commons license: CC BY (attribution)