10cm 4" Ammonite Perisphinctes Fossil Madagascar

  • $ 140.00


This magnificent fossilized white ribbed Perisphinctes ammonite from Madagascar is approximately 163 to 145 million years old, which was during the Jurassic Period of the Mesozoic era. It has been lightly polished but the ribbing is still very detailed. This specimen is quite large and has been very well reserved; a real rare gem. This beautiful ammonite would make a great addition to a fossil collection and be a perfect gift. A free black stand also comes with it, ready for display.

Specifications:

Species: Perisphinctes

Age: Between 201 to 145 million years (Jurassic Period)

Length: 100mm (3.936”)

Height: 79.73mm (3.139”)

Width: 28.78mm (1.133”)

Weight: 231.88 grams (8.18 oz.)

Location: Madagascar

Ammonites are an extinct group of molluscs and are related to the modern octopus and squid, their closest relative being the nautilus. They appeared during the mid-Devonian period (387 million years ago) of the Palaeozoic and died out during the Cretaceous-Palaeogene extinction 65 million years ago). These hardy Cephalopods were widely dispersed all over the world and very successful. Ammonites made great index fossils as they evolved very quickly and there were so many of them.

Length: 100mm (3.936”)

Height: 79.73mm (3.139”)

Width: 28.78mm (1.133”)

Weight: 231.88 grams (8.18 oz.)

Genus: Perisphinctes

Location: Madagascar, Southeast Africa

Geological era: Mesozoic

Period: Jurassic

Age (MYA): 201 to 145 Million Years Ago

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