Parkinsonia rarecostata (Buckman, 1881).
A magnificent example of an attractive Inferior Oolite British Ammonite. Developed right to the protoconch. Sharp ribbing and lovely sutures in parts. A real ' beauty'.
Jurassic, Bajocian, Inferior Oolite. Garantiana Zone.
Burton Bradstock, Dorset.
Ammonite : 14 cm. diam.
