Article: A phylloceratid ammonite from the Speeton Clay (Lower Cretaceous) of Yorkshire
Publication: Palaeontology
Volume:
9
Part:
3
Publication Date:
October
1966
Page(s):
455
–
457
Author(s):
P. F. Rawson
Abstract
Hypophylloceras cf. perlobatum (Sayn) is described and illustrated. It is the first phylloceratid ammonite to be recorded from the Neocomian of Britain.