- Styracosaurus,
Stellasaurus and Einiosaurus. It
would instead involve outgrowths of the wall leg. Likewise, they do not
speak of episquamosalia.
Stellasaurus is placed...
-
orbital horns showed co**** ridges. Subsequently, "Taxon A" was
named Stellasaurus, "Taxon B"
became Einiosaurus,
while "Taxon C"
became Achelousaurus....
-
cautioned against synonymization. MOR 492 was
moved into its own taxon,
Stellasaurus ancellae,
which nested alongside Einiosaurus,
Achelousaurus and Pachyrhinosaurus...
-
Stellasaurus Pachyrhinosaurini...
-
Coronosaurus brinkmani Centrosaurus apertus Spinops sternbergorum Stellasaurus ancellae Pachyrhinosaurini...
-
Centrosaurini Centrosaurus Coronosaurus Spinops Styracosaurus?
Pachyrhinosaurini Achelousaurus Einiosaurus Stellasaurus Pachyrhinosaurus...
- †Spinops †Styracosaurus? †Pachyrhinosaurini Sternberg, 1950 †Einiosaurus †
Stellasaurus †Styracosaurus? †Pachyrostra
Fiorillo & Tykoski, 2012 †Achelousaurus...
-
Centrosaurini Centrosaurus Coronosaurus Spinops Styracosaurus?
Pachyrhinosaurini Achelousaurus Einiosaurus Stellasaurus Pachyrhinosaurus...
-
Stellasaurus Pachyrhinosaurini...
-
Centrosaurini Centrosaurus Coronosaurus Spinops Styracosaurus?
Pachyrhinosaurini Achelousaurus Einiosaurus Stellasaurus Pachyrhinosaurus...
