Graphoceras pulchrum (FOSSIL) Buckman, 1902 †
Ludwigia pustulifera (FOSSIL) (Buckman †)
Ludwigia reflua (FOSSIL) (Buckman, 1904 †)
Cypholioceras renovatum (FOSSIL) S.S. Buckman, 1888 †
Graphoceras robustum (FOSSIL) Buckman †
Hyperlioceras rudidiscites (FOSSIL) Buckman †
Graphoceras rudis (FOSSIL) (Buckman) †
Graphoceras rugosum (FOSSIL) (Buckman, 1901 †)
Graphoceras scriptitatum (FOSSIL) Buckman †
Staufenia sehndensis (FOSSIL) Hoffmann, 1913 †
Brasilia similis (FOSSIL) (Buckman, 1889 †)
Costileioceras sinon (FOSSIL) (C.É. Bayle, 1878 †)
Graphoceras stigmosum (FOSSIL) Buckman †
Leioceras striatum (FOSSIL) (Buckman, 1899 †)
Graphoceras subacuta (FOSSIL) (Buckman, 1902 †)
Ludwigia subcava (FOSSIL) Buckman †
Brasilia subcornuta (FOSSIL) (Buckman, 1904 †)
Leioceras subcostosum (FOSSIL) (Buckman, 1899 †)
Deltoidoceras subdiscoideum (FOSSIL) S.S. Buckman, 1889 †
Mansellia subfalcata (FOSSIL) (S.S. Buckman, 1899 †)
Hyperlioceras subleve (FOSSIL) Buckman †
Brasilia sublineata (FOSSIL) Buckman †
Graphoceras subobsoletum (FOSSIL) (Buckman, 1901 †)
Graphoceras subrudis (FOSSIL) Buckman †
Leioceras substriatum (FOSSIL) Buckman †
Ludwigia subtabulata (FOSSIL) Buckman †
Brasilia subtilicosta (FOSSIL) (Buckman, 1898 †)
Hyperlioceras tabulatum (FOSSIL) (Buckman) †
Graphoceras tenuis (FOSSIL) (Buckman, 1904 †)
Leioceras thompsoni (FOSSIL) (Buckman, 1899 †)
Canavarella tolulana (FOSSIL) (Dumortier†)
Ludwigia tolutaria (FOSSIL) Dumortier †
Canavarella torta (FOSSIL) (Buckman †)
Ludwigia umbilicata (FOSSIL) (Buckman, 1904 †)
Graphoceras undulatum (FOSSIL) Buckman †