Trilobita - Ptychopariida - Alokistocaridae

Full reference: C. E. Resser. 1939. The Spence Shale and its fauna. Smithsonian Miscellaneous Collections 97(12):1-29

Belongs to Alokistocare according to C. E. Resser 1939

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

Type specimen: USNM 96519

Ecology: fast-moving low-level epifaunal deposit feeder