1.5" Paciphacops Trilobite, Black Cat Mt., Oklahoma

  • $ 150.00


For sale is a well preserved Paciphacops campbelli trilobite from the Haragan Formation (Black Cat Mountain) in Oklahoma, USA. Black Cat Mountain is well known for its rare and beautifully fossilized trilobites. Preservation of this specimen is very good and quite a bit of trouble has gone into prepping this detailed little arthropod. The cephalon, thorax and pygidium are all well intact and free from any major flaws, keeping in mind that there are a few minor nicks; which are quite common. This fossil is 100% natural with no repairs or restorations.

Genus: Paciphacops

Species: Paciphacops campbelli

Measurement of base:

Length: 2.576” (65.43mm)

Width: 2.308” (58.62mm)

Weight: 209.07 grams (7.375 oz.)

Measurement of Trilobite :

Length (if stretched out): Aprrox. 1.5” (40mm)

Width:  15.33mm (0.603")

Location: Haragan Formation, Black Cat Mountain, Oklahoma, USA

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.

Measurement of base:

Length: 2.576” (65.43mm)

Width: 2.308” (58.62mm)

Weight: 209.07 grams (7.375 oz.)

Measurement of Trilobite :

Length (if stretched out): Aprrox. 1.5” (40mm)

Width:  15.33mm (0.603")

Location: Haragan Formation, Black Cat Mountain, Oklahoma, USA

Genus: Paciphacops

Species: Paciphacops campbelli

Geological era: Palaeozoic

Period: Lower Devonian

Age (MYA): 400 Million Years

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