Where: Somerset, United Kingdom (51.0° N, 2.8° W: paleocoordinates 38.1° N, 6.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Marlstone Rock Formation, Spinatum (189.6 - 183.0 Ma)

• "Middle Lias" but species "probably restricted to Spinatum zone"

Environment/lithology: lithified limestone

Size class: macrofossils

Reposited in the SM

Primary reference: D. V. Ager. 1958. A Monograph of the British Liassic Rhynchonellidae, Part II 51-84 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159300: authorized by Matthew Clapham, entered by Matthew Clapham on 30.07.2014

Creative Commons license: CC BY (attribution)