Paciphacops is a genus of trilobites from the order Phacopida, suborder Phacopina. This genus is easily mistaken for the more common and popular genus Phacops and Kainops. 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.