Where: Yorkshire, United Kingdom (54.2° N, 0.4° W: paleocoordinates 44.4° N, 9.4° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Macrocephalites herveyi ammonoid zone, Cayton Clay Formation, Early/Lower Callovian (164.7 - 161.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified claystone

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 196245: authorized by Matthew Clapham, entered by Matthew Clapham on 09.09.2018

Creative Commons license: CC BY (attribution)