Holotype:

Locality: Jack’s Birthday Site, located along Badger Creek, within the Blackfeet Indian Reservation, Museum of Rockies locality number TM-068, Sec. 11, T31N, R8W, Glacier County, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: