Cyclocorystes pulchellus (Bell, 1858)

Cyclocorystes pulchellus is an uncommon crab found at a few London Clay sites. It lived between 56.0 - 47.8 Ma. It had well developed eyesight and was carnivorous. Necrozius bowerbankii is a synonym of Cyclocorystes pulchellus. 

It has been recorded at the following sites: 

Aveley Pit Number 2, Medway Estuary, Maylandsea, Stepple Bay, Tankerton, Elmley, Herne Bay and Hampton Pier. 

It has been recorded in the following divisions: 

B1, B2, C, D and E.

Description: Carapace nearly circular, front produced, almost straight, smooth, anterolateral margins without spines, regions distinct, flattened.

(Description from: A guide to the fossil Decapoda (Crustacea: Axiidea, Anomura, Brachyura) of the British Isles)