Trilobita - Ptychopariida - Alokistocaridae

Full reference: C. E. Resser. 1938. Middle Cambrian fossils from Pend Oreille Lake, Idaho. Smithsonian Miscellaneous Collections 97(3):1-12

Belongs to Alokistocare according to C. E. Resser 1938

Sister taxa: Alokistocare idahoense, Alokistocare laticaudum, Alokistocare nactum, Alokistocare natale, Alokistocare normale, Alokistocare notatum, Alokistocare nothum, Alokistocare punctatum, Alokistocare septum, Alokistocare spencense

Type specimen: USNM 95029. Its type locality is Locality 37n (Pend Oreille Lake), which is in a Cambrian carbonate limestone/shale in the Lakeview Formation of Idaho.

Ecology: fast-moving low-level epifaunal deposit feeder