Eugassiceras resupinatum (Simpson) with Arnioceras semicostatum (Young & Bird)
Base cut free standing display specimen. 2 beautifully preserved 3D Ammonites. Both developed to their centres.
Jurassic, Lower Sinemurian, Semicostatum Zone.
Black Ven, Charmouth / Lyme Regis, Dorset.
Eugassiceras : 3 cm diam.
