†Yuknessaspis benningtonis benningtonis Sundberg 1994 (trilobite)
Full reference: F. A. Sundberg. 1994. Corynexochida and Ptychopariida (Trilobita, Arthropoda) of the Ehmaniella biozone (Middle Cambrian), Utah and Nevada. Contributions in Science 446:1-137
Belongs to Yuknessaspis benningtonis according to F. A. Sundberg 1994
Sister taxa: Yuknessaspis benningtonis convexus, Yuknessaspis benningtonis planus
Type specimen: LACMIP 11983, a cephalon/head
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: there are no occurrences of Yuknessaspis benningtonis benningtonis in the database