6
3
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)