Diplotheca costata (FOSSIL) Valkanov, 1970 †
Diplotheca elongata (FOSSIL) Nitsche & Arndt, 2008 †
Diplotheca hyattiana (FOSSIL) G.F. Matthew, 1885 †
Diplotheca hyattiana caudata (FOSSIL) G.F. Matthew, 1885 † Texas
Diplotheca tricyclica (FOSSIL) Bergesch & Moestrup,2008 †