Genus: Nova SULLIVAN & LUCAS, 2007

Species: utahensis (GILMORE, 1946) LAWSON, 1976
Etymology:
= Arrhinoceratops utahensis GILMORE, 1946
= Torosaurus utahensis (GILMORE, 1946) LAWSON, 1976

Holotype: USNM 15583

Locality: West side of North Horn Mountain, Locality 6, Emery County, Utah.

Horizon: North Horn Formation.

Biostratigraphy:

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

Material: Articulated right squamosal, quadrate, quadratojugal, postorbital, supraorbital horn core, postfrontal, lachrymal, jugal, and epijugual, posterior part of a parietal.

After LEHMAN, 1996

Paratype: USNM 15875

Locality: Southwest spur of North Horn Mountain, Locality 8, Emery County, Utah.

Horizon: North Horn Formation.

Biostratigraphy:

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

Material: Right squamosal and posterior part of the parietal.

LEHMAN, 1996

Referred material:

USNM 494472: Posterior part of a parietal, left surangular and articular, co-ossified atlas, axis, and third cervical vertebrae, left and right dentaries with fused coronoids, fragment of the maxilla margin, premaxilla fragment, 13 epoccipitals, 3 posterior parietal sections 5 dorsal vertebrae, 1 cervical rib , 8 thoriac ribs and numerous fragments.

USNM 494473: Dentaries and coronoid, 5 dorsal vertebrae, 1 cervical ribs, and 8 thoracic ribs.

USNM 16169: Medial part of skull with 1 complete and 1 partial postorbital horncore, and parts of both squamosals.

USNM 16753: Posterior and median parts of parietal.

Locality: North Horn Mountain, Emery County, Utah.

Horizon: North Horn Formation.

Biostratigraphy:

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

Material:

USNM 15753: Part of a left parietal.

 

HORTON, 2006

Locality: "West Tornillo Pasture," Brewster County, Texas.

Horion: Aguja Formation.

Biostratigraphy:

Age: Late Campanian Stage, Late Senonian Subepoch, Late Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Proximal portion of a humerus, a nd portion of frill.

 

HUNT, 2005, HUNT & LEHMAN, 2008

Locality: TMM 41361, Big Bend National Park, Brewster County, Texas.
Note: Excat location is on file at the Vertebrate Paleontology Laboratory of the Texas Memorial Museum in Austin, Texas.

Horizon: Javelina Formation.

Biostratigraphy:

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

Material:

TMM 41361-1 to -37: Right posterolateral part of a parietal, a squamosal fragment, a maxilla fragment, 2 dentaries, a right splenial, parts of at least 6 vertebral centra, 2 posterior dorsal ribs, a left coracoid, the distal end of a left scapular blade, the proximal ends and medial shaft of 3 humeri, a radius, parts of a rigth pubis, proximal parts of 2 right ischia, 4 femora, the proximal end of a fibula, 2 tibiae, a metatarsal pedal phalanx, pedal ungual and manual ungula, as well as severial parts of vertebral neural arches and neural spines. Numerous unidentifiable fragments were alos recovered.

Breakdown as follows:

TMM 41361-1: Right posterolateral ramus of parietal.

TMM 41361-2: Fragment of posterior end of squamosal.

TMM 41361-3: Posterior part of left dentary.

TMM 41361-4: Left dentary.

TMM 41361-5: Splenial.

TMM 41361-6: Dorsal vertebra.

TMM 41361-7: Caudal vertebra.

TMM 41361-8: Proximal caudal centra.

TMM 41361-9: Proximal caudal centra.

TMM 41361-10: Middle caudal centra.

TMM 41361-11: Distal caudal centra.

TMM 41361-12: Posterior rib fragment.

TMM 41361-13: Posterior rib fragment.

TMM 41361-14: Left coracoid.

TMM 41361-15: Distal end of blade of left scapula.

TMM 41361-16: Proximal end of left humerus.

TMM 41361-17: Proximal end of right humerus.

TMM 41361-18: Fragment of distal shaft of humerus.

TMM 41361-19: Radius.

TMM 41361-20: Proximal end of right pubis.

TMM 41361-21: Proximal end of right ischium.

TMM 41361-22: Fragment of right ischium.

TMM 41361-23: Right femur.

TMM 41361-24: Right femur.

TMM 41361-25: Right femur.

TMM 41361-26: Left femur.

TMM 41361-27: Proximal end of fibula.

TMM 41361-28: Right tibia.

TMM 41361-29: Left tibia.

TMM 41361-30: Metatarsal.

TMM 41361-31: Proximal pedal phalanx.

TMM 41361-32: Pedal ungual.

TMM 41361-33: Manual ungual phalange.

TMM 41361-34:

TMM 41361-35:

TMM 41361-36:

TMM 41361-37:

Fragmentary remains of 3 individuals.