Amuletum Stephenson, 1941 † (original description)
Anchura lamari Stephenson, 1941 † (original description)
Anchura noackensis Stephenson, 1941 † (original description)
Cardiaster leonensis Stephenson, 1941 † (original description)
Cuneolus Stephenson, 1941 † (original description)
Cuneolus lanceolatus (J. De C. Sowerby, 1823) † (basis of record)
Cuneolus tegulatus (J. Müller, 1847) † (basis of record)
Cuneolus tippanus (Conrad, 1858) † (basis of record)
Eoancilla Stephenson, 1941 † (original description)
Eoancilla acutula Stephenson, 1941 † (original description)
Hemiaster benhurensis Stephenson, 1941 † (original description)
Micraster (Plesiaster) americanus Stephenson, 1941 † (original description)
Pterocerella poinsettiformis Stephenson, 1941 † (original description)
Remera Stephenson, 1941 † (original description)
Spondylus munitus Stephenson, 1941 † (original description)
Trigonia castrovillensis Stephenson, 1941 † accepted as Tennessiella castrovillensis (Stephenson, 1941) † (original description)
Trigonia eufaulensis [sic] † accepted as Trigonia eufalensis Gabb, 1860 † accepted as Gabbigonia eufalensis (Gabb, 1860) † (basis of record)
Trigonia eufaulensis var. gabbi Stephenson, 1941 † accepted as Gabbigonia gabbi (Stephenson, 1941) † (original description)
Trigonia eufaulensis var. moorei Stephenson, 1941 † accepted as Gabbigonia moorei (Stephenson, 1941) † (original description)
Trigonia stantoni Stephenson, 1941 † accepted as Tennessiella stantoni (Stephenson, 1941) † (original description)
Tundora Stephenson, 1941 † (original description)
Tundora tuberculata Stephenson, 1941 † (original description)