The tree snail on Rota Island, Northern Mariana Islands, long identified as Partula gibba (Partulidae), is a different species Author Sischo, David R. Kewalo Marine Laboratory, Pacific Biosciences Research Center, University of Hawai'i at Manoa, 41 Ahui St., Honolulu, 96813 Hawai'i, USA & Department of Land and Natural Resources, Division of Forestry and Wildlife, State of Hawai'i, 1151 Punchbowl St. Rm. 325, Honolulu, 96813 Hawai'i, USA david.r.sischo@hawaii.gov Author Hadfield, Michael G. https://orcid.org/0000-0002-8808-5197 Kewalo Marine Laboratory, Pacific Biosciences Research Center, University of Hawai'i at Manoa, 41 Ahui St., Honolulu, 96813 Hawai'i, USA text ZooKeys 2021 2021-05-17 1037 105 118 http://dx.doi.org/10.3897/zookeys.1037.56303 journal article http://dx.doi.org/10.3897/zookeys.1037.56303 1313-2970-1037-105 CE4FE5210DEC485F863E32CB91BAAA67 5DCE8BD769195EB9AF7ECA464CF8DA29 Genus Partula Ferussac , 1821 Type species. Helix faba Gmelin, 1791.