Metastasis is a genus of minute, salt-tolerant snails with an operculum, aquatic gastropod mollusks, or micromollusks, in the subfamily Ekadantinae of the family Assimineidae.MolluscaBase eds. (2021). MolluscaBase. Metassiminea Thiele, 1927. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=818380 on 2021-07-14
Species Metassiminea philippinica (O. Boettger, 1887)
References
Thiele, J. (1927). Über die Schneckenfamilie Assimineidae. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere. 53: 113–146.
External links Fukuda H. & Ponder W.F. 2003. Australian freshwater assimineids, with a synopsis of the Recent genus-group taxa of the Assimineidae (Mollusca: Caenogastropoda: Rissooidea). Journal of Natural History, 37: 1977-2032