Styginidae

Paralejurus is a genus of trilobite from the Late Silurian to the Middle Devonian of Africa and Europe.

Kolihapeltis is a genus of trilobite that lived from the Early Devonian to the Middle Devonian. Its remains have been found in Africa and Europe.

thumb|upright|Bumastus barriensis, from the [[Silurian Wenlock series, found at Dudley, Worcestershire.]]