Cliocrinus Lambert, 1905 † accepted as Cleiocrinus Billings, 1857 † (original description)
Discovermetus Cossmann, 1905 † (original description)
Engyrina Cossmann, 1905 accepted as Eugyrina Dall, 1904 accepted as Ranella Lamarck, 1816 (original description)
Hololubus Cossmann, 1905 † (original description)
Maulotriton Dollfus, 1905 accepted as Maculotriton Dall, 1904 (original description)
Miocardellia Cossmann, 1905 † accepted as Miocardiella Sacco in Bellardi & Sacco, 1904 † (original description)
Miocardiellia Cossmann, 1905 † accepted as Miocardiella Sacco in Bellardi & Sacco, 1904 † (original description)
Parmulopliora Cossmann, 1905 accepted as Parmulophora Dall, 1905 accepted as Circe Schumacher, 1817 (original description)