Promicroceras planicosta ( Sowerby)
Hand sized slab of grey limestone. Towards one end are 2 beautiful 3d calcite preserved Ammonites. One is cream coloured and the other is cream with a dark grey outer whorl. Very attractive display specimen.
Jurassic, Upper Sinemurian, Obtusum Zone.
Black Ven, Charmouth / Lyme Regis, Dorset.
Largr Ammonite : 2.7 cm diam.
