Xipheroceras dudriessieri (Sowerby) with Promicroceras planicosta (Sowerby)
Large slab of grey limestone. On one surface are 4 Promicroceras along with a larger Xipheroceras. All developed to their centres. Nice display piece.
Jurassic, Upper Sinemurian, Obtusum Zone.
Black Ven, Charmouth / Lyme Regis
Specimen : 16 x 15 cm.
