Species: putulosa ESTES, 1969
Etymology: Greek, pustulosa, referring to the distinctive pustular sculpturing
of the referred skull elements.
Holotype: MCZ 3623
Locality: Bug Creek Anthills (BCA), 80 feet below the Tullock Formation in the west half of Section 9, T22N, R43E, McCone County, Montana.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.
Material: Ilium.
Paratypes:
MCZ 3624: 6 ilia.
MCZ 3625: 11 humeri.
MCZ 3626: Maxillary fragments.
Referred material:
GARDNER, 2000
AMNH 26422, UALVP 40155: 2 ilia.
UALVP 40156, 40157: 2 maxillae.
UALVP 40158: Nasal.
UALVP 40159: Squamosal.
UALVP 40160: Frontoparietal.
ARMSTRONG-ZIEGLER, 1978
Locality: Site A, 108'29"10'"W long. 36'29'"10N lat, Hogback South, 71/2 quadrangle, T26N, R16W, San Juan Basin, New Mexico.
Horizon: Fruitland Formation.
Biostratigraphy:
Age: Judithina age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
EBERTH, 1987Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.
Horizon: Judith River Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
BRAYNT, 1990
Locality: Northeastern Montana.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.
Material:
UCMP 130678: Maxillae.
UCMP 130679: Humerus.
HOLMAN, 2003
Locality: Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.
Material:
AMNH 8102: Right squamosal.
AMNH 8132: Left maxilla.
AMNH 8137: Right ilium.
UCMP 55703: Left ilium.
STENERSON & O’CONNER, 1994
Locality: Northwestern South Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given: