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Polyptychoceras is an extinct genus of ammonites from the Late Cretaceous of Japan. All these ammonites are found in Hokkaido island in Yubari prefecture, Obira or Mikasa.

These are heteromorph ammonites, rare and hard to find.

All these fossils are found from paleontologist Gianpaolo Di Silvestro.


Polypthycoceras pseudogaultimum
Late Cretaceous
Upper Yezo Group
Obira- Rumoi-
Hokkaido Japan

Polyptychoceras pseudogaultimum Hokkaido ammonite cretaceous

€ 500,00Price
  • size:8,5 cm ammonite

    restoration: 0% resto 3 glued partsmatrix is original from nodule

    preparator: Di Silvestro Gianpaolo and Alex Zagar.


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