Trilobita - Proetida - Dimeropygidae

Full reference: J. M. Adrain and S. R. Westrop. 2007. Bearriverops, a new Lower Ordovician trilobite genus from the Great Basin, western USA, and classification of the family Dimeropygidae. Canadian Journal of Earth Sciences 44:337-366

Belongs to Bearriverops according to J. M. Adrain and S. R. Westrop 2007

Sister taxa: Bearriverops borderinnensis, Bearriverops deltaensis, Bearriverops ibexensis, Bearriverops loganensis

Type specimen: SUI 99936, a cephalon/head (cranidium). Its type locality is Section G 26.6-27.0, which is in a Stairsian shallow subtidal horizon in the Fillmore Formation of Utah.

Ecology: fast-moving low-level epifaunal deposit feeder