Small Gerastos Trilobite Fossil from Morocco

  • $ 70.00


Nice Gerastos trilobite from Morocco with good detail though there is some signs of natural wear. We've examined it closely and have not seen any signs of restoration or repair. This would be a good addition to a fossil collection or a unique.

Specifications of Entire Specimen:

Length: 56.39mm (2.22”)

Width: 27.84mm (1.096”)

Weight: 42.18g (1.488 oz.)

Specifications of Trilobite:

Genus: Gerastos

Length: 19.18mm (0.755”)

Width: 14.45mm (0.569”)

Location: Morocco, Northwest Africa

Age: Middle Devonian Period, 350 Million Years Ago

Trilobites (meaning “three lobes”) are a group of extinct marine arthropods that lived in the Palaeozoic Era. They first appeared during the Atdabanian stage of the Early Cambrian period (521 million years ago) and throughout the lower Palaeozoic. Their numbers began to slowly decline during the Silurian period until all trilobite orders, except the Proetids, died out during the Devonian period. Trilobites were widely dispersed throughout the world’s oceans and had many different lifestyles; some were predators and scavengers while others were filter feeders and lived off plankton. Currently there are approximately 17,000 species known, with many more still waiting to be discovered. Unfortunately, trilobites did not survive the Permian-Triassic extinction, where 95% of all life on Earth went extinct.

Specifications of Entire Specimen:

Length: 56.39mm (2.22”)

Width: 27.84mm (1.096”)

Weight: 42.18g (1.488 oz.)

Specifications of Trilobite:

Genus: Gerastos

Length: 19.18mm (0.755”)

Width: 14.45mm (0.569”)

Location: Morocco, Northwest Africa

Genus: Gerastos

Geological era: Palaeozoic

Period: Middle Devonian

Age (MYA): 390 Million Years Ago

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