Trilobita - Ptychopariida - Olenidae

Full reference: C. W. Walcott. 1908. Cambrian Geology and Paleontology: Cambrian Trilobites. Smithsonian Miscellaneous Collections 53(2):13-48

Belongs to Neolenus according to C. W. Walcott 1908

Sister taxa: Neolenus inflatus, Neolenus superbus

Type specimen: Its type locality is Antelope Spring, which is in a Marjumian marine limestone in the Marjum Formation of Utah

Ecology: fast-moving low-level epifaunal carnivore