Viaphacops is a genus of trilobites in the order Phacopida, family Phacopidae, that lived during the Middle Devonian, and is known from North and South America (Bolivia, Floresta Formation, Altiplano Cundiboyacense, Colombia,[2] and Venezuela), Asia (Central Kazakhstan and Far Eastern Russia).

Like in all sighted Phacopina, the eyes of Viaphacops are compounded of very large, separately set lenses without a common cornea (so called schizochroal eyes), and like almost all other Phacopina, the articulate mid-length part of the body (or thorax) in Viaphacops has 11 segments, the side lobes (or pleurae) are furrowed, and the articulating facets distinct.

The natural fracture lines (sutures) of the head run along the top edges of the compound eye.

The part of the skeleton that is "tucked under" (the doublure) has no sutures crossing it to form a rostral plate.

In many Phacopidae, where the facial sutures are apparently continuous and well developed, they were evidently nonfunctional in ecdysis, since no separate free cheeks can be found.