Pliocene [details]
Eocene [details]
Coralline Crag [details]
Bracklesham Beds [details]
Barton Beds [details]
London Clay [details]
Tentatively attributed to genus in original description [details]
Aldboro', United Kingdom [details]
Selsea (?), Bracklesham, United Kingdom [details]
Suffolk, United Kingdom [details]
Sutton and Orford, United Kingdom [details]
Barton, United Kingdom [details]
basement bed of the London Clay at the Metropolitan Railway Station at Pinner (type) and Hampstead (?) and Sheppey, ... [details]
Bognor (type), and Hampstead Well (?), United Kingdom [details]
HT: BMNH 33645 [details]
no specimen numbers provided in original publication, repository unknown [details]
HT: BMNH E1530 [details]
HT: BMNH E567 [details]
HT: BMNH 49820 [details]
HT: BMNH E3394 [details]
HT: Cambridge Museum d.1.18/P. [details]