Adnatoceras Flower, 1939 † (original description)
Adnatoceras clarkei Flower, 1939 † (original description)
Adnatoceras cooperi Flower, 1939 † (original description)
Adnatoceras cryptum Flower, 1939 † (original description)
Adnatoceras naplense Flower, 1939 † (original description)
Adnatoceras spissum (Hall, 1879) † (basis of record)
Adnatoceras wellsi Flower, 1939 † (original description)
Anastomoceras Flower, 1939 † (original description)
Anastomoceras mirabile Flower, 1939 † (original description)
Anastomoceras rudis (J. Hall, 1859) † (new combination reference)
Bergoceras Flower, 1939 † (original description)
Bergoceras antilope (de Koninck, 1880) † (basis of record)
Bradfordoceras Flower & Caster, 1935 † (basis of record)
Bradfordoceras fusiforme Flower, 1939 † (original description)
Bradfordoceras giganteum Flower, 1939 † (original description)
Bradfordoceras moderatum Flower, 1939 † (original description)
Bradfordoceras transversum Flower & Caster, 1935 † (basis of record)
Cayutoceras Flower, 1939 † (original description)
Cayutoceras casteri Flower, 1939 † (original description)
Cayutoceratinae Flower, 1939 † (original description)
Cryptorthoceras Flower, 1939 † (original description)
Cryptorthoceras productum Flower, 1939 † (original description)
Diagoceras Flower, 1936 † (basis of record)
Diagoceras tullium Flower, 1939 † (original description)
Dolorthoceras elegans Flower, 1939 † (original description)
Dolorthoceras revertum Flower, 1939 † (original description)
Dolorthoceras solitarium Flower, 1939 † (original description)
Fusioceras Flower, 1939 † (original description)
Fusioceras eriense Flower, 1939 † (original description)
Geisonoceras teicherti Flower, 1939 † (original description)
Geisonoceroides Flower, 1939 † (original description)
Geisonoceroides cylindricus Flower, 1939 † (original description)
Geisonoceroides woodae Flower, 1939 † (original description)
Mooreoceras bradfordoides Flower, 1939 † (original description)
Mooreoceras ruedemanni Flower, 1939 † (original description)
Paraloxoceras Flower, 1939 † (original description)
Paraloxoceras konincki Flower, 1939 † (original description)
Petryoceras Flower, 1939 † (original description)
Petryoceras thyestes (Hall, 1879) † (basis of record)
Pseudorthoceras anomalum Flower, 1939 † (original description)
Pseudorthoceras senecum Flower, 1939 † (original description)
Sceptrites Flower, 1939 † (original description)
Sceptrites carteri Flower, 1939 † (original description)
Sceptrites claviformis Flower, 1939 † (original description)
Sceptrites obliquus Flower, 1939 † (original description)
Sceptrites sceptrum (Hall, 1888) † (basis of record)
Spyroceras oppletum Flower, 1939 † (original description)
Virgoceras Flower, 1939 † (original description)
Virgoceras cancellatum Flower, 1939 † (original description)