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Polished Perisphinctes Ammonite #15 – Madagascar

$45.00

  • Genuine Lightly Polished Perisphinctes Ammonite from Madagascar
  • Guaranteed Authentic
  • Certificate of Authenticity Available on Request
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1 in stock

Description

  • Perisphinctes sp.
  • Late Jurassic Age (160 Million Years Old)
  • Near Sakaraha, Madagascar
  • Specimen measures approx.  3 3/8″ wide

Ammonites are an extinct group of marine invertebrate animals similar to the modern nautilus. (Cephalopoda) Like the nautilus, ammonites had a soft body with tentacles that emerged from a hollow chambered shell utilized in the manner of a submarine’s ballast tanks. Ammonites are often identified by their shell ornamentation and the structures of the wall that divide the shell’s chambers.

Additional information

Location

Madagascar