Leptosphinctes (Leptosphinctes) davidsoni Buckman.
Beautifully preserved complete specimen. Collected and prepared by Andy Cowap. From the collection of the late Professor Gordon Walkden of Aberdeen University. Prepared right to the protoconch and showing beautiful sutures in parts. With 3 constrictions (growth arrest stages). The whole Ammonite is twisted out of kilter with some form of pathology. Whatever, it still managed to grow to maturity.
Jurassic, Bajocian, Humphriesianum Zone.
Oborne Wood, Sherborne, Dorset.
Ammonite : 13.4 cm diam.
