Trilobita - Proetida - Bathyuridae

Full reference: J. D. Loch. 2007. Trilobite biostratigraphy and correlation of the Kindblade Formation (Lower Ordovician) of Carter and Kiowa Counties, Oklahoma. Oklahoma Geological Survey Bulletin 149:1-154

Belongs to Petigurus according to J. D. Loch 2007

Sister taxa: Petigurus cybele, Petigurus ellipticus, Petigurus groenlandicus, Petigurus inexpectatus, Petigurus nero

Type specimen: UMC 16995, a cephalon/head (cranidium)

Ecology: fast-moving low-level epifaunal deposit feeder