Paciphacops is a genus of trilobites from the order Phacopida

Phacopida

Phacopida is an order of trilobite that lived from the Ordovician to the Devonian. It is made up of a morphologically diverse group of related suborders....

, suborder Phacopina. This genus is easily mistaken for the more common and popular genus Phacops

Phacops

Phacops is a genus of trilobite in the order Phacopida, family Phacopidae that lived in Europe and North American in the Silurian and Devonian periods. It was a rounded animal, with a globosa head and large eyes, and probably fed on detritus...

and Kainops

Kainops

Kainops is a genus of trilobites from the family Phacopidae, order Phacopida. It can be distinguished from Paciphacops by the greater number of facets to the eye . The form of the furrow between the palpebral area and the palpebral lobe also distinguishes Kainops from the genera Paciphacops and...

. It takes a careful eye to spot the difference. One major differences between Paciphacops and Phacops is that the glabella on the cephalon extends beyond the anterior margin. The difference between Paciphacops and Kainops is that Kainops has more eye facets than Paciphacops. This genus can be found primarily in the United States and Australia.

Some Known Species and Locations.

• Paciphacops birdsongensis, Tennessee.
• Paciphacops campbelli, Oklahoma.
• Paciphacops logani, Oklahoma.
• Paciphacops crosslei, Australia.
• Paciphacops latigenalis, Australia.