Holotype: FMNH PR 1635
Locality: Near Delta, south-east Iowa.
Horizon: Upper St. Louis Formation.
Biostratigraphy:
Age: Early Carboniferous.
Material: Skull and fragmentary skeleton.
Referred material:
FMNH PR 1639: Fragmentary skeleton.
SUI 52087: Right half of a pelvis.
Note: Proto-anthracosaur