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 alsacharovi, Bearriverops borderinnensis, Bearriverops deltaensis, Bearriverops ibexensis

Type specimen: SUI 99859, an exoskeleton. Its type locality is FB7 102.1, Franklin Basin, which is in a Stairsian shallow subtidal horizon in the Garden City Formation of Idaho.

Ecology: fast-moving low-level epifaunal deposit feeder