- that
Protiguanodon mongoliense,
Psittacosaurus osborni, and
Psittacosaurus tingi were
junior synonyms of
Psittacosaurus mongoliensis. In 1958, Yang published...
-
Chaoyangsaurus youngi and
Psittacosaurus mongoliensis". By this definition, only the
members of
Chaoyangosauridae and
Psittacosaurus are
excluded from Neoceratopsia...
-
predation attempt by R.
robustus directed at a
specimen of the
dinosaur Psittacosaurus lujiatunensis. R.
giganticus is
among the
largest mammals known from...
-
examination of
melanosomes preserved in the
integument of a
specimen of
Psittacosaurus sp.
indicated that the
animal was countershaded, with
stripes and spots...
- was one of the
first ceratopsians, or
horned dinosaurs,
along with
Psittacosaurus in Mongolia. The type species,
Microceratops gobiensis, was
first described...
- and Barosaurus). As of 2022[update], a key
holding is a
fossilized Psittacosaurus (specimen SMF R 4970) from Liaoning, China, with
clear bristles around...
-
PhyloCode as "the
largest clade containing Chaoyangosaurus youngi, but not
Psittacosaurus mongoliensis and
Triceratops horridus". Four
dinosaur genera, Chaoyangsaurus...
-
debate over
whether these filaments found in
specimens of Tianyulong,
Psittacosaurus, and
Kulindadromeus may have been
primitive feathers.
Ornithischia is...
-
grind plant material, are also
found in
other ceratopsians such as
Psittacosaurus, and are also
widely distributed in most
other dinosaur groups, including...
-
quills have been
reported in
specimens of the
ornithischian dinosaurs Psittacosaurus and
Tianyulong although there has been disagreement. In 2009, Xu et...
