†Phacops rana arkonensis Stumm 1953 (trilobite)
Trilobita - Phacopida - Phacopidae
Alternative combination: Phacops arkonensis
Full reference: E. C. Stumm. 1953. Trilobites of the Devonian Traverse Group of Michigan. Contributions from the Museum of Paleontology, the University of Michigan 10(6):101-157
Belongs to Phacops rana according to E. C. Stumm 1953
See also Wagner 2020
Sister taxa: Phacops rana bellensis, Phacops rana milleri, Phacops rana norwoodensis
Type specimen: UMMP 28847
Ecology: fast-moving low-level epifaunal carnivore
Distribution: found only at Aux Sables River, Hungry Hollow, 2 miles east of Arkona (Devonian of Ontario)