Ammonite: Dactylioceras tenuicostatum

Photograph of ammounite: Dactylioceras tenuicostatum View larger image
Specimen id: 153 When found: Tuesday, June 16, 1959
Where found: Base of cliff east of waterfall Runswick Bay, North Yorkshire.
Geological Horizon:

Lower Jurassic
Toarcian Stage
Whitby Mudstone Formation
Dactylioceras tenuicostatum Zone
Grid Reference: NZ822155 [Map]
Source Collection: The Robinson Ammonite Collection