Where: England, United Kingdom (51.5° N, 2.6° W: paleocoordinates 38.0° N, 3.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Blue Lias Formation (Lias Group), Hettangian to Hettangian (201.3 - 189.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Reposited in the BMNH

Primary reference: A. B. Smith. 2015. British Jurassic regular echinoids. Part 1, Introduction, Cidaroida, Echinothurioida, Aspidodiadematoida and Pedinoida. Monograph of the Palaeontographical Society 169(644):1-67 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195942: authorized by Matthew Clapham, entered by Matthew Clapham on 01.09.2018

Creative Commons license: CC BY (attribution)