Acanthocythereis princegeorgensis Hazel, 1968 † (original description)
Acanthocythereis washingtonensis Hazel, 1968 † (original description)
Aquitaniella Deltel, 1963 † (additional source)
Clithrocytheridea beauchampi Hazel, 1968 † (original description)
Clithrocytheridea kauffmani Hazel, 1968 † (original description)
Clithrocytheridea marylandica Hazel, 1968 † (original description)
Cytherelloidea addisonensis Hazel, 1968 † (original description)
Cytheropteron walkeri Hazel, 1968 † (original description)
Haplocytheridea subovata (Ulrich & Bassler, 1904) Stephenson, 1943 † accepted as  † (additional source)
Hazelina alexanderi Hazel, 1968 † (original description)
Hazelina pauca (Schmidt, 1948) Hazel, 1968 † (new combination reference)
Hermanites gibsoni Hazel, 1968 † accepted as Hadropleura gibsoni (Hazel, 1968) Liebau, 1991 † (original description)
Hermanites hadropleura Hazel, 1968 † accepted as Hadropleura hadropleura (Hazel, 1968) Liebau, 1991 † (original description)
Hermanites midwayensis (Alexander, 1934) Hazel, 1968 † (new combination reference)
Hermanites plusculmensis (Schmidt, 1948) Hazel, 1968 † (new combination reference)
Loxoconcha atlantica Hazel, 1968 † (original description)
Opimocythere Hazel, 1968 † (original description)
Opimocythere betzi (Jennings, 1936) † (new combination reference)
Opimocythere browni Hazel, 1968 † (original description)
Opimocythere elonga Hazel, 1968 † (original description)
Opimocythere gigantea (Puri, 1957) † (new combination reference)
Opimocythere incisa (Apostolescu, 1957) Hazel, 1968 † (new combination reference)
Opimocythere interrasilis (Alexander, 1934) † (new combination reference)
Opimocythere martini (Murray, Jr. & Hussey, 1942) † (new combination reference)
Opimocythere marylandica (Ulrich, 1901) Hazel, 1968 † (new combination reference)
Opimocythere miocenica (Puri, 1954) Hazel, 1968 † (new combination reference)
Opimocythere mississippiensis (Meyer, 1887) Hazel, 1968 † (new combination reference)
Opimocythere nanafaliana (Howe & Pyeatt in Howe & Garrett, 1934) Hazel, 1968 † (new combination reference)
Opimocythere pustulosa (Marliere, 1958) Hazel, 1968 † (new combination reference)
Opimocythere pustulosa marlierei (Szczechura, 1965) Hazel, 1968 † (new combination reference)
Opimocythere pustulosa pustulosa (Marliere, 1958) Hazel, 1968 † (new combination reference)
Opimocythere texana (Hazel & Paulson, 1964) † (new combination reference)
Opimocythere verrucosa (Harris & Jobe, 1951) Hazel, 1968 † (new combination reference)
Phractocytheridea danvillensis (Stephenson, 1937) Hazel, 1968 † (new combination reference)
Phractocytheridea moodyi (Howe & Garrett, 1934) Hazel, 1968 † accepted as Haplocytheridea moodyi (Howe & Garrett, 1934) Stephenson, 1946 † (new combination reference)
Phractocytheridea ruginosa (Alexander, 1934) Hazel, 1968 † (new combination reference)
Phractocytheridea sarectaensis (Brown, 1957) Hazel, 1968 † (new combination reference)
Phractocytheridea veatchi (Howe & Garrett, 1934) Hazel, 1968 † (new combination reference)
Phractocytheridea veatchi aquia (Schmidt, 1948) Hazel, 1968 † (new combination reference)
Phractocytheridea veatchi veatchi (Howe & Garrett, 1934) Hazel, 1968 † (new combination reference)
Vetustocytheridea fornicata (Alexander, 1934) Hazel, 1968 † accepted as Haplocytheridea fornicata (Alexander, 1934) Smith (J. K.), 1978 † (new combination reference)
Vetustocytheridea fornicata anteronoda Hazel, 1968 † (original description)
Vetustocytheridea fornicata fornicata (Alexander, 1934) Hazel, 1968 † accepted as Haplocytheridea fornicata fornicata (Alexander, 1934) Smith (J. K.), 1978 † (new combination reference)
Vetustocytheridea macrolaccus (Munsey, 1953) Hazel, 1968 † (new combination reference)
Vetustocytheridea macrolaccus macrolaccus (Munsey, 1953) Hazel, 1968 † (new combination reference)
Vetustocytheridea macrolaccus munseyi Hazel, 1968 † (original description)