basis of record: Laseron C.F. (1956) The families Rissoinidae and Rissoidae (Mollusca) from the Solanderian and Dampierian zoogeographical provinces. Australian Journal of Marine and Freshwater Research 7(3): 384-484. [October 1956] [details]
Citation: Bouchet, P. (2013). Obtortio perparvula (Watson, 1886). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=607027 on 2013-05-20