Spyroceras middlevillense (FOSSIL) Foerste, 1928 †
Dolorthoceras nakazawai (FOSSIL) Niko & Nishida, 2000 †
Spyroceras olorus (FOSSIL) (J.W. Hall, 1879 †)
Lopingoceras orientale (FOSSIL) (Fuegel, 1901 †)
Spyroceras patronus (FOSSIL) (Barrande, 1866 †)
Spyroceras perlaeve (FOSSIL) E. Strand, 1934 †
Reticycloceras peytonense (FOSSIL) W.J. Gordon, 1964 †
Suloceras pulchrum (FOSSIL) (Barrande, 1866 †)
Lopingoceras quangdeense (FOSSIL) Shimanskiy 1962 †
Cyrtospyroceras reinmanni (FOSSIL) Flower, 1938, †
Spyroceras senckenbergi (FOSSIL) Teichert, 1930 †
Reticycloceras sequoyahense (FOSSIL) (Snider, 1915 †)
Dolorthoceras siphocentralis (FOSSIL) (Krotow, 1885 †)
Shikhanoceras sphaerophorum (FOSSIL) Shimanskiy, 1954 †
Dolorthoceras stiliforme (FOSSIL) Shimanskiy, 1948 †
Dolorthoceras tenuifilosum (FOSSIL) W.J. Gordon, 1964 †
Bitaunioceras texanum (FOSSIL) Miller & Youngquist,1947 †
Spyroceras textumarenaceum (FOSSIL) (F.A. Roemer, 1861 †)
Atahococeras timorense (FOSSIL) Niko & al., 2000 †
Pseudocycloceras transiens (FOSSIL) (Barrande, 1866 †)
Cyrtothoracoceras tuberculatum (FOSSIL) (F. McCoy, 1844 †)
Bitaunioceras undulatum (FOSSIL) Niko & Nishida, 1987 †
Bitaunioceras zonatum (FOSSIL) (C. Gemmellaro, 1889 †)