Holotype:

Locality: MHBT Quarry, near the village of Ravenscrag, Saskatchewan, Canada.

Horizon: Lower Ravenscrag Formation.

Biostratigraphy:

Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UA 16056: I2.

UA 26057: il.

UA 16058: ml.