A new heteromorph ammonite from the Lower Cretaceous of Yorkshire

6 3 Tue, 01/01/1963 - 12:00 October 575 578

DOYLE, J. C. 1963. A new heteromorph ammonite from the Lower Cretaceous of Yorkshire. Palaeontology, 6, 3, 575–578.

J. C. Doyle Shasticrioceras anglicum sp. nov., which seems to be the earliest known species of the genus, is described and the significance of its occurrence in the Compound Nodular Band D.I., at Speeton in east Yorkshire, is discussed in the light of current knowledge. The Palaeontological Association (Free Access)