A Monograph of the Ammonidea of the Gault. Part XIII. Pages 541–608; Plates LIX–LXIV

• 1 August 1939
• journal article
• research article
• Published by Taylor & Francis in Monographs of the Palaeontographical Society
• Vol. 92  (415) , 541-608
• https://doi.org/10.1080/02693445.1939.12035659

Abstract