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Material: Metal
approximately 66 million years ago
The crystals form a circular array of flat plates
Product Dimensions: 4
1 Paxton Gate dissection manual
Fossilized Trilobite Gerastos Beetle Material: MetalGerastos is a genus of extinct marine arthropods belonging to the class Trilobita, which thrived during the Paleozoic era. Trilobites are among the earliest known groups of arthropods, with a fossil record spanning over 270 million yearsfrom the Cambrian to the Permian period. Gerastos, in particular, is known from the Devonian period, approximately 419 to 359 million years ago. They are related to modern day horseshoe crabs. These creatures had a
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