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Fossil Trilobite - Asaphus kowalewskii

Asaphus kowalewskii

Item #FS2019

TRILOBITE: Asaphus kowalewskii

This is a very good specimen of Asaphus kowalewskii, a stalk-eyed, Ordovician period trilobite from the St. Petersburg region in Russia, some 470 million years old.

Trilobites are a type of extinct arthropod probably most closely related to modern Horseshoe crabs. With a growing number of predators and adapted to diverse habitats, various species of trilobites developed complex eyes, retractable antennae, and even protective spines. Their exoskeletons were composed of extremely hard calcite and calcium phosphate minerals to protect the soft internal organs, and as a result they are quite well represented in the fossil record. Trilobite fossils range in size from a fraction of an inch to over two feet in length, and are found all over the world.

  • Height: 1.25" (3.18 cm)
  • Width: 3.5" (8.89 cm)
  • Length: 4.5" (11.43 cm)
  • Class: Trilobita
  • Genus: Asaphus
  • Species: kowalewskii
  • Origin: St. Petersburg, Russia
  • Age: 470 Million Years Old
  • Period: Ordovician

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$ 995.00

 
Waiting Time: 2-4 weeks