- taxa to the
genus Stegoceras, made up of "all
other dome-headed
pachycephalosaurians; this was
referred to as
Pachycephalosaurinae Phylogenetic analyses...
- "dome", and is a
reference to the
characteristically dome-shaped
pachycephalosaurian skull. The
survival of
Sphaerotholus from the
Campanian of New Mexico...
-
after the
location where it was discovered) is a
genus of
basal pachycephalosaurian dinosaur from the
Maastrichtian Upper Cretaceous Xiaoyan Formation...
-
Goyocephale is an
extinct genus of
pachycephalosaurian ornithischian that
lived in
Mongolia during the Late
Cretaceous about 76
million years ago. It...
-
ceratopsians (bipedal or
quadrupedal herbivores with neck frills),
pachycephalosaurians (bipedal
herbivores with
thick skulls),
ornithopods (bipedal or quadrupedal...
- It
coexisted with the rare
hadrosaurid Barsboldia, flat-headed
pachycephalosaurian Homalocephale and
domed Prenocephale, the
large ankylosaurid Saichania...
-
ornithischians are ankylosaurians, ornithopods, ceratopsians, and
pachycephalosaurians.
Three ankylosaurians are known: Ankylosaurus, Denversaurus, and...
- Thescelosaurus, the
hadrosaurid Edmontosaurus, an
indeterminate nodosaur, the
pachycephalosaurian Pachycephalosaurus, and the
theropods Struthiomimus, Ornithomimus...
-
suggested that they were
ornithischians and
allied them with the
pachycephalosaurian Stegoceras in a Troodontidae. It was not
until 1945 that C.M. Sternberg...
-
ornithischians are ankylosaurians, ornithopods, ceratopsians, and
pachycephalosaurians. One
ankylosaurian and two
nodosaurians are known, Ankylosaurus,...
