. "Jugidae Starobogatov, Prozorova, Bogatov & Sayenko, 2004 (n.a.)" . . . "Semisulcospiridae, common name semisulcospirids, is a family of freshwater snails, aquatic gilled gastropod mollusks with an operculum, in the superfamily Cerithioidea.Semisulcospiridae diversified from the Pleuroceridae about 90 millions years ago, in the Cretaceous."@en . . . .