Trilobita - Ptychopariida - Olenidae

Full reference: H. J. Harrington and A. F. Leanza. 1957. Ordovician trilobites of Argentina. Department of Geology, University of Kansas Special Publication. Lawrence: University of Kansas Press 1:1-276

Belongs to Plicatolina according to H. J. Harrington and A. F. Leanza 1957

Sister taxa: Plicatolina changshanensis, Plicatolina kindlei

Ecology: fast-moving low-level epifaunal carnivore