Ammonite: Boulcaulticeras sp.

Photograph of ammounite: Boulcaulticeras sp. View larger image
Specimen id: 69 When found: Monday, June 16, 1958
Where found: 1.80m. above base of Peter White Cliff, Robin Hood’s Bay, North Yorkshire.
Geological Horizon:

Lower Jurassic
Upper Sinemurian Stage
Redcar Mudstone Formation
Asteroceras obtusum Zone
Grid Reference: NZ963031 [Map]
Notes:

This is a plaster cast of the original. The specimen is the first of its kind from a known geological horizon in Britain. Identification by the late Dr. Leslie Bairstow of the British Museum. The original specimen is now in the British Museum Collection.
Source Collection: The Robinson Ammonite Collection