Caducifer Dall, 1904 (original description)
Calloporina Ulrich & Bassler, 1904 † accepted as Halloporina Bassler in Eastman-Zittel, 1913 † (original description)
Cyphotrypa Ulrich & Bassler, 1904 † (original description)
Orbignyella Ulrich & Bassler, 1904 † (original description)
Rhombotrypa Ulrich & Bassler, 1904 † (original description)
Taeniola Dall, 1904 (original description)
Tripleurocrinus Wood, 1904 (original description)
Tritoniscus Dall, 1904 accepted as Turritriton Dall, 1904 (original description)
Tritonocauda Dall, 1904 accepted as Ranularia Schumacher, 1817 (original description)
Turritriton Dall, 1904 (original description)