. . "* Hypotrochus (Cotton, 1932)" . "* Hemicerithium (Cossmann, 1893)" . . . . . "Plesiotrochus"@en . . "Plesiotrochus is a genus of sea snails, marine gastropod mollusks in the family Plesiotrochidae.Plesiotrochus was originally placed in the Cerithioidea was subsequently transferred to the Campaniloidea by Healy (1993)."@en .