original description(ofRegistoma complanatum Pease, 1861)Pease, W. H. (1861). Descriptions of six new species of land shells, from the island of Ebon, Marshall's group, in the collection of H. Cuming. <em>Proceedings of the Zoological Society of London.</em> 28: 439-440 ["1860"; 1861]., available online athttps://www.biodiversitylibrary.org/page/12867019 page(s): 440 [details]
basis of recordKobelt W. (1902). Das Tierreich. Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen. 16. Lieferung. Mollusca. Cyclophoridae. <em>Das Tierreich.</em> XXXIX + 662 pp., 1 map. [July]. Berlin (R. Friedländer)., available online athttps://biodiversitylibrary.org/page/1000211 page(s): 303 [details]