- stegosaurians,
Huayangosaurus was a
quadrupedal herbivore with a
small skull and a
spiked tail. Like its more
famous relative, Stegosaurus,
Huayangosaurus bore...
- and birds.
Apart from
Huayangosaurus,
stegosaurians subsequently lost all
premaxillary teeth within the
upper beak.
Huayangosaurus still had
seven per side...
-
total number being one
greater than in Hesperosaurus, two
greater than
Huayangosaurus,
although Miragaia preserves 17
cervicals and an
unknown number of dorsals...
-
vertebrae and this is also the
number shown by the
basal stegosaurian Huayangosaurus.
Later forms like
Stegosaurus or
Hesperosaurus had
twelve or thirteen...
- tip of the dentary.
Similar to many basally-branching
stegosaurs like
Huayangosaurus, Gigantspinosaurus, and Kentrosaurus, the
first dentary tooth is immediately...
- (Stegosaurus > Ankylosaurus)
Huayangosauridae (
Huayangosaurus > Stegosaurus)
Stegosauridae (Stegosaurus >
Huayangosaurus)
Dacentrurus armatus Stegosaurinae (Stegosaurus...
-
overall braincase morphology is very
similar to
those of Tuojiangosaurus,
Huayangosaurus, and Stegosaurus. However, the
occipital condyle is a
closer distance...
- it many
comparisons were made with the
basalmost known stegosaurian Huayangosaurus, that lost
their relevance once it
became clear that the phylogenetic...
- teeth, like in
every stegosaur except Huayangosaurus where the
premaxilla is preserved. Like in
Huayangosaurus but not
Stegosaurus or Hesperosaurus, the...
-
Huayangosaurus...