1. Rabenjanaharyella
    [Pseudoschloenbachia (Rabenjanaharyella) rhomboidalis]
  2. Rehmannia
    [Rehmannia (Rehmannia) gr. rehmanni revili (m)]
  3. Rehmannia
    [Rehmannia (Rehmannia) grossouvrei (M)]
  4. Rehmannia
    [Rehmannia (Rehmannia) rehmanni (M)]
  5. Rehmannia
    [Rehmannia (Rehmannia) rehmanni (M)]
  6. Reineckeia
    [Reineckeia (Reineckeia) anceps anceps (M)]
  7. Reineckeia
    [Reineckeia (Reineckeia) anceps anceps (m)]
  8. Romaniceras
    [Romaniceras (Romaniceras) deverianum]
  9. Romaniceras
    [Romaniceras (Romaniceras) kallesi]
  10. Romaniceras
    [Romaniceras (Romaniceras) kallesi]
  11. Romaniceras
    [Romaniceras (Romaniceras) kallesi]