Ammonite: Promicroceras planicostata

Specimen id: 30 When found: Sunday, January 1, 1956
Where found: Wave cut platform, Wine Haven, Ravenscar, North Yorkshire.
Geological Horizon:

Lower Jurassic
Upper Sinemurian Stage
Whitby Mudstone Formation
Echioceras raricostatum Zone

Grid Reference: NZ975024 [Map]

No collection date given, only month and year. 1st day of month recorded for purposes of database storage.

Source Collection: The Robinson Ammonite Collection