Peronoceras sp.
Lower Jurassic,
Toarcian
Stage, Whitby Mudstone Formation
Whitby, North
Yorkshire, UK.
Photograph © Barry
Marsh SOES
Peronoceras sp.
Lower Jurassic,
Toarcian
Stage, Whitby Mudstone Formation
Whitby, North
Yorkshire, UK.
Photograph © Barry
Marsh SOES