Kosmoceras (Gulielmiceras) jason (Reinecke)
Pinkish/ White shelled 3D Ammonite on dark grey limestone matrix. Developed right to the protoconch. Lovely preservation and detail. The pit at Latton has long since been flooded.
Jurassic Lower Oxford Clay, Jason Zone.
Latton Pit, Wiltshire - just to the south of Cirencester.
Ammonite : 3.8 cm diam.