- the
squamosals and wide
enough to bear
parietosquamosal nodes, a
shallower caudal margin of the
parietosquamosal shelf, the
lateral corner node is reduced...
- as the dermosupraoccipital. The
feature is now
referred to as the
parietosquamosal frill. In some genera, such as Triceratops, Pentaceratops, Centrosaurus...
- Like that of all
other ceratopsids, the
skull of
Achelousaurus had a
parietosquamosal frill or "neck shield",
which was
formed by the
parietal bones at the...
- the frontals,
reduced but
swollen prefrontal lobes, and a
reduced parietosquamosal shelf at the dome rear.
These traits were
based on misinterpretations...
- and
squamosal bones formed a
thick shelf over the
occiput termed the
parietosquamosal shelf,
whose extent varied between specimens. The
squamosal was large...
-
presence of two
incipient nodes tucked under the
posterior margin of the
parietosquamosal border. In 1923, a
partial skull was
collected from the
Oldman Formation...
- "ops", (face). The
generic name is in
reference to the crown-shaped
parietosquamosal frill and the
Royal Tyrrell Museum. The
specific name, peterhewsi,...
- an
isolated squamosal bone (which
formed part of the side of the
parietosquamosal frill at the back of the skull) of a subadult.
Taken together, these...
- Cr****
Member UMNH VP 20600; "A
partial braincase and a
nearly complete parietosquamosal frill" Also
known as "Wahweap
Centrosaurine A."
Similar to Albertaceratops...
-
presence of two
incipient nodes tucked under the
posterior margin of the
parietosquamosal border.
Foraminacephale Late Campanian, 75–73 Mya
Dinosaur Park Formation...
