Where: England, United Kingdom (50.7° N, 2.9° W: paleocoordinates 37.4° N, 3.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Asteroceras obtusum ammonoid zone, Black Ven Marl Member (Charmouth Mudstone Formation), Late/Upper Sinemurian (196.5 - 189.6 Ma)

• probably from the Topstones Bed

• bed-level stratigraphic resolution

Environment/lithology: marine; concretionary marl

Size class: macrofossils

Preservation: concretion

Collected by G. F. Jackson in 1954; reposited in the BMNH

Collection methods: surface (float), acetic,

• privately collected and sold to BMNH in 1955; originally in Lyme Regis Museum

Primary reference: Anonymous. 1955. British Museum (Natural History). Nature 176(4487):815-816 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52749: authorized by Matthew Carrano, entered by Matthew Carrano on 19.08.2005

Creative Commons license: CC BY (attribution)