• Moellerina E.O. Ulrich, 1886 † [Family: Moellerinaceae, Class: Charophyceae]
• Moellerina Eimer & Fickert, 1899 † accepted as Climacammina Brady, 1873 † [Family: Palaeotextulariidae, Class: Globothalamea]
• Moellerina Schellwien, 1898 † (uncertain) [Family: , Class: Protozoa (awaiting allocation)]
• Mohlerina Bucur, Senowbari-Daryan & Abate, 1996 † (uncertain)
• Moserina Delucchi, 1962 accepted as Closterocerus Westwood, 1833
• Mostlerium Cheng, 1986 †
• Ostlerina Talent & Philip, 1956 † (uncertain)