Cythere burnsi Ulrich & Bassler, 1904 † accepted as Pseudocytheretta burnsi (Ulrich & Bassler, 1904) † (original description)
Cythere calverti Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere clarkana Ulrich & Bassler, 1904 † accepted as Echinocythereis clarkana (Ulrich & Bassler, 1904) Swain, 1974 † (original description)
Cythere dorsicornis Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere evax Ulrich & Bassler, 1904 † accepted as Henryhowella evax (Ulrich & Bassler, 1904) † (original description)
Cythere evax evax Ulrich & Bassler, 1904 † accepted as Henryhowella evax evax (Ulrich & Bassler, 1904) † (original description)
Cythere evax oblongula Ulrich & Bassler, 1904 † accepted as Henryhowella evax oblongula (Ulrich & Bassler, 1904) † (original description)
Cythere exanthemata Ulrich & Bassler, 1904 † accepted as Actinocythereis exanthemata (Ulrich & Bassler, 1904) † (original description)
Cythere francisca Ulrich & Bassler, 1904 † (original description)
Cythere inaequivalvis Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere lienenklausi Ulrich & Bassler, 1904 † accepted as Muellerina lienenklausi (Ulrich & Bassler, 1904) † (original description)
Cythere martini Ulrich & Bassler, 1904 † accepted as Murrayina martini (Ulrich & Bassler, 1904) † (original description)
Cythere micula Ulrich & Bassler, 1904 † accepted as Muellerina micula (Ulrich & Bassler, 1904) † (original description)
Cythere nitidula Ulrich & Bassler, 1904 † (original description)
Cythere paucipunctata Ulrich & Bassler, 1904 † accepted as Cytheretta paucipunctata (Ulrich & Bassler, 1904) Puri, 1952 † (original description)
Cythere planibasalis Ulrich & Bassler, 1904 † accepted as Echinocythereis planibasalis (Ulrich & Bassler, 1904) Brown, 1958 † (original description)
Cythere plebeia Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere porcella Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere producta Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere punctistriata Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere rugipunctata Ulrich & Bassler, 1904 † accepted as Puriana rugipunctata (Ulrich & Bassler, 1904) † (original description)
Cythere shattucki Ulrich & Bassler, 1904 † accepted as Microcytherura shattucki (Ulrich & Bassler, 1904) Forester, 1980 † (original description)
Cythere spiniplicata Ulrich & Bassler, 1904 † (original description)
Cythere subovalis Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere tuomeyi Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythere vaughani Ulrich & Bassler, 1904 † accepted as Orionina vaughani (Ulrich & Bassler, 1904) † (original description)
Cythereis alaris Ulrich & Bassler, 1904 † accepted as  † (original description)
Cythereis evax oblongula (Ulrich & Bassler, 1904) † accepted as Henryhowella evax oblongula (Ulrich & Bassler, 1904) † (original description)
Cytheridea (Haplocytheridea) subovata (Ulrich & Bassler, 1904) † accepted as Peratocytheridea subovata (Ulrich & Bassler, 1904) † (original description)
Cytheridea chesapeakensis Ulrich & Bassler, 1904 † (original description)
Cytheridea subovata Ulrich & Bassler, 1904 † accepted as Peratocytheridea subovata (Ulrich & Bassler, 1904) † (original description)
Cytherideis ashermani Ulrich & Bassler, 1904 † accepted as Pontocythere (Hulingsina) ashermani (Ulrich & Bassler, 1904) † (original description)
Cytherideis cylindrica Ulrich & Bassler, 1904 † accepted as  † (original description)
Cytherideis longula Ulrich & Bassler, 1904 † accepted as  † (original description)
Cytherideis semicircularis Ulrich & Bassler, 1904 † accepted as  † (original description)
Cytherideis subaequalis Ulrich & Bassler, 1904 † accepted as  † (original description)
Cytheropteron nodosum Ulrich & Bassler, 1904 † accepted as Paracytheridea vandenboldi (Puri, 1953) (original description)
Hemicyprideis subovata (Ulrich & Bassler, 1904) † accepted as Peratocytheridea subovata (Ulrich & Bassler, 1904) † (original description)
Murrayina martini martini (Ulrich & Bassler, 1904) † (original description)
Murrayina micula (Ulrich & Bassler, 1904) † accepted as Muellerina micula (Ulrich & Bassler, 1904) † (original description)
Peratocytheridea subovata (Ulrich & Bassler, 1904) † (original description)
Trachyleberis clarkana minuscula (Ulrich & Bassler, 1904) Malkin, 1953 † accepted as  † (original description)
Trachyleberis dorsicornis (Ulrich & Bassler, 1904) Malkin, 1953 † accepted as  † (original description)
Trachyleberis evax evax (Ulrich & Bassler, 1904) Swaln, 1952 † accepted as Henryhowella evax evax (Ulrich & Bassler, 1904) † (original description)
Trachyleberis evax oblongula (Ulrich & Bassler, 1904) Swain, 1952 † accepted as Henryhowella evax oblongula (Ulrich & Bassler, 1904) † (original description)
Trachyleberis micula (Ulrich & Bassler, 1904) Swain, 1952 † accepted as Muellerina micula (Ulrich & Bassler, 1904) † (original description)