A Monograph of the Ammonoidea of the Gault. Part VI. Pages 207–266; Plates XXI–XXIV

• 1 December 1928
• journal article
• research article
• Published by Taylor & Francis in Monographs of the Palaeontographical Society
• Vol. 80  (368) , 207-266
• https://doi.org/10.1080/02693445.1928.12035603

Abstract