Eohyattoceras gerthi (FOSSIL) Glenister & Furnish,1987 †
Eohyattoceras leei (FOSSIL) Glenister & Furnish,1987 †
Hyattoceras abichi (FOSSIL) C. Gemmellaro, 1887 †
Hyattoceras geinitzi (FOSSIL) C. Gemmellaro, 1887 †
Hyattoceras guembeli (FOSSIL) C. Gemmellaro, 1888 †
Hyattoceras turgidum (FOSSIL) C. Gemmellaro, 1887 †