. "Omalogyra is a genus of minute marine gastropod molluscs in the family Omalogyridae. This genus includes the smallest gastropods, with adult sizes of 1 mm and even less."@en . . . "* Helisalia (Laseron, 1954)" . . "* Ammonicerina (O. G. Costa, 1861)" . "Omalogyra"@en . "* Homalogyra (Jeffreys, 1867)" . .