Species: arcuatum LANE, 1932
Etymology:
Holotype: KUVP 5962 (1430 of LANE, 1932)
Locality: Eureka Mine, about 1 mile west of Paris, Loan County, Arkansas.
Horizon: Savanna Formation, Allegheny Group, a bed of semianthracite coal within the Paris Shale.
Biostratigraphy:
Age: Asturian, Late Pennsylvanian Subperiod, Late Carboniferous Period.
Material: Femur.
Referred material:
KUVP 9973: Neural arch.