near Osmington Mills
United Kingdom and Ireland UK
Geological Time: Jurassic Upper Jurassic Kimmeridgian
Kimmeridge Clay Formation
The raw material was collected together with Dr. Steve Etches and Chris Webb. Specimens were picked and photographed by Michael Hesemann
Lloyd 1959, unpublished thesis, Plate 27, fig. 3-6
The identification is based upon:
, : Plate , Fig.