MolluscaBase taxon details
original description
(of Pleurotoma (Drillia) pseudoprincipalis Yokoyama, 1920) Yokoyama, M. (1920). Fossils from the Miura Peninsula and its immediate north. <em>Journal of the College of Science, Tokyo Imperial University.</em> 39(6): 1-193, 20 pls., available online at https://www.biodiversitylibrary.org/page/6959694 [details]
basis of record
Hylleberg, J. & Kilburn., R. N. 2003. Marine molluscs of Vietnam. Annotations, voucher material, and species in need of verification Phuket Marine Biological Center Special Publication 28: 1-300. [details]
additional source
Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors [request]