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Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
  • Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan
Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan

Ainoceras kamuy Fossil – Rare Late Cretaceous Ammonite from Japan

$3,300.00

This well-preserved ammonite fossil belongs to Ainoceras kamuy, a rare species described by Matsumoto and Kanie. Found in the Upper Cretaceous strata of Hokkaido, northern Japan, this specimen features a distinctive spiral shell with clearly visible suture lines and mineralized details. It represents both scientific importance and aesthetic beauty.

  • Geological Age: Late Cretaceous, Campanian (approx. 72–83 million years ago)

  • Size: Proportioned spiral with clear suture patterns

  • Condition: Excellent natural preservation with mineralization intact

✨ Why is it worth collecting?

  • Authentic specimen of Ainoceras kamuy, a rare ammonite species from Japan.

  • Excellent preservation with striking spiral symmetry.

  • Highly suitable for ammonite collectors, researchers, or museums.

  • Increasing rarity in the fossil trade, offering long-term value.

📍 Origin: Biratori, Hokkaido, Japan (Kamikunbetsu Formation)
📅 Age: Late Cretaceous (Campanian, Mesozoic Era)
🪨 Features: Distinct spiral shell, visible suture lines, natural mineralization

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