original description
Dall, W. H. (1923). Notes on <i>Drupa</i> and <i>Morula</i>. <em>Proceedings of the Academy of Natural Sciences, Philadelphia.</em> 75: 303-306., available online at https://www.jstor.org/stable/pdf/4063885.pdf [details]
basis of record
Severns, M. (2011). Shells of the Hawaiian Islands - The Sea Shells. <em>Conchbooks, Hackenheim.</em> 564 pp. [details]
source of synonymy
Emerson, W. K. (1968). <i>Azumamorula</i>, new name for <i>Morulina</i> Dall, 1923, not Boerner, 1906 (Gastropoda: Muricacea). <em>The Nautilus.</em> 81(4): 125-126., available online at https://www.biodiversitylibrary.org/page/8528150 [details]
From editor or global species database
Taxonomic remark junior homonym of Morulina Boerner, 1906 [Arthropoda]; Azumamorula is the replacement name. [details]