-
Ankylopollexia is an
extinct clade of
ornithischian dinosaurs that
lived from the Late Jur****ic to the Late Cretaceous. It is a
derived clade of iguanodontian...
- Hadrosauroidea,
while Bertozzo et al. (2017)
recovered it as a non-hadrosauroid
styracostern. Kobayashi, Y. and Azuma, Y. (2003). "A new
iguanodontian (Dinosauria;...
- have been
properly described and
named are ****uisaurus tetoriensis, a
styracostern ornithischian, ****uititan nipponensis, a
titanosauriform sauropod, Koshisaurus...
-
process of an ilium, tibia, metatarsal, and
ossified tendons. A
basal styracostern ornithopod.
Eolambia E.
caroljonesa Mussentuchit Member Predentaries...
- at
least the
Early Cretaceous. A
review of
Early Cretaceous Spanish styracosterns from the
Maestrat Basin published by Santos-Cubedo (2024). Escanero-Aguilar...
- than to
Camptosaurus dispar. ****noria
would then be the
oldest known styracostern.
Maidment et al. (2023)
instead recovered ****noria as a non-ankylopollexian...
-
former was
basal to the latter. He
classified both of them as
basal styracosterns. In 2008,
American freelance researcher Gregory S. Paul
argued that...
- G.
turolensis is most
likely laid by a
closely related ornithopods.
Styracosterns (a
clade of
ornithopods that
includes hadrosaurs and
their close relatives)...
