Felinoceras constrictum (FOSSIL) Kröger & J. Evans, 2011 † France, Languedoc-Roussillon, Aude
Rioceras consuetum (FOSSIL) (Sardeson, 1896 †) USA, Minnesota, Washington
Rioceras dartoni (FOSSIL) Flower, 1964 † United States, Texas, El Paso
Rioceras depressum (FOSSIL) Flower, 1964 † USA, New Mexico, Sierra
Rioceras escandei (FOSSIL) (Thoral, 1935 †) France, Languedoc-Roussillon, Aude
Rioceras expansum (FOSSIL) Flower, 1964 † USA, New Mexico, Sierra
Rioceras fusiforme (FOSSIL) Flower, 1964 † USA, New Mexico, Luna
Rioceras lobatum (FOSSIL) Flower, 1964 † USA, New Mexico, Luna
Rioceras nondescriptum (FOSSIL) Flower, 1964 † USA, New Mexico, Sierra
Rioceras tubulare (FOSSIL) Flower, 1964 † United States, Texas, El Paso
Rioceras wellsi (FOSSIL) Flower, 1964 † United States, Texas, El Paso