A phylloceratid ammonite from the Speeton Clay (Lower Cretaceous) of Yorkshire

9 3 Sat, 01/01/1966 - 12:00 October 455 457

RAWSON, P. F. 1966. A phylloceratid ammonite from the Speeton Clay (Lower Cretaceous) of Yorkshire. Palaeontology, 9, 3, 455–457.

P. F. Rawson Hypophylloceras cf. perlobatum (Sayn) is described and illustrated. It is the first phylloceratid ammonite to be recorded from the Neocomian of Britain. The Palaeontological Association (Free Access)