1. Geminites
    [Distichoceras (Geminites) janus (M)]
  2. Gentoniceras
    [Calycoceras (Gentoniceras) gentoni (M)]
  3. Gentoniceras
    [Calycoceras (Gentoniceras) gentoni]
  4. Gentoniceras
    [Calycoceras (Gentoniceras) sarthacense]
  5. Gentoniceras
    [Calycoceras (Gentoniceras) subgentoni (M)]