Prothalotia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
The species in this genus occurs off Japan and Australia.
Species within the genus Prothalotia include:
Prothalotia boninensis Okutani, 2001Prothalotia chlorites (Philippi, 1846)Prothalotia flindersi (Fischer, 1878)Prothalotia lehmanni (Menke, 1843)Prothalotia lesueuri Fischer, 1880Prothalotia porteri (Iredale, 1940)Prothalotia ramburi (Crosse, 1864)Prothalotia strigata (Adams, 1853)Prothalotia suturalis (Adams, 1853)The Indo-Pacific Molluscan Database also includes the following species with names in current use :
Prothalotia pyrgos Philippi, 1849Prothalotia serpentina (Quoy in Kiener, 1859)Species brought into synonymyProthalotia baudini (Fischer, 1878): synonym of Calthalotia baudini (P. Fischer, 1878)Prothalotia comtessi Iredale, 1931: synonym of Calthalotia comtessi (Iredale, 1931)Prothalotia nitens Kiener, L.C., 1859: synonym of Prothalotia lehmanni (Menke, 1843)Prothalotia pulcherrimus (Wood, 1828): synonym of Cantharidus pulcherrimus (Wood, 1828)Prothalotia sulcosa Adams, A., 1851: synonym of Prothalotia lehmanni (Menke, 1843)