Pinnotheridae De Haan, 1833
Orthotheres affinis
Orthotheres glaber (Bürger, 1895)
Orthotheres halioditis Geiger & Martin, 1999
Orthotheres haliotidis Geiger & Martin, 1999
Orthotheres laevis (Bürger, 1895)
Orthotheres longipes (Bürger, 1895)
Orthotheres serrei (Rathbun, 1909)
Orthotheres strombi (Rathbun, 1905)
Orthotheres turboe Sakai, 1969
Orthotheres unguifalcula (Glassell, 1936)
