-
represent an
early diverging ornithischian that had not yet
acquired the
predentary of all
other ornithischians.
Ornithischians had
paired premaxillary bones...
-
distinguished from
ornithischian dinosaurs by
their three-pronged
pelvic structure, with the
pubis pointed forward. The
ornithischians'
pelvis is arranged...
- and most
significantly China.
Across theropods, sauropodomorphs, and
ornithischians, the
number of
named genera began to
increase exponentially in the 1990s...
- diagnosticus.
Lesothosaurus is one of the most completely-known
early ornithischians,
based on
numerous skull and
postcranial fossils from the
Upper Elliot...
-
other ornithischians. The
sternal plates were
connected to the rib cage by
elements known as
sternal ribs. In
contrast to
other ornithischians, this connection...
- (2017).
Other primitive ornithischians include Eocursor, Trimucrodon, and
possibly Fabrosaurus. The
hypothesis of
ornithischian affinities for Pisanosaurus...
- paravians. The
earliest definitive ornithischians appear during the
Early Jur****ic,
represented by
basal ornithischians like Lesothosaurus, heterodontosaurids...
- problematic. The
group previously consisted of all non-iguanodontian
bipedal ornithischians, but a
phylogenetic reappraisal has
shown such
species to be paraphyletic...
- The
Candeleros Formation (formerly
known as the
Candeleros Member of the "Río
Limay Formation") is a
geologic formation that
crops out in the Río Negro...
-
single incomplete femur.
Tietasaura is
notable for
being the
first ornithischian dinosaur ever
named from Brazil. The
Tietasaura holotype specimen, NHM-PV...
