-
derived members of the
group are
large obligate quadrupeds.
Primitive marginocephalians are
found in Asia, but the
group migrated upwards into
North America...
- and
possibly Europe Yinlong, an
early marginocephalian dinosaur from Asia Chaoyangsaurus, an
early marginocephalian dinosaur from Asia Juramaia, a basal...
-
Chaoyangsaurus ("Chaoyang lizard") is a
marginocephalian dinosaur from the Late Jur****ic of China. It has been
dated to
between 150.8 and 145.5 million...
-
diapsid predators. The
crests and
frills of some dinosaurs, like the
marginocephalians,
theropods and lambeosaurines, may have been too
fragile to be used...
-
specimens List of
sauropodomorph type
specimens Ornithischians List of
marginocephalian type
specimens List of
ornithopod type
specimens List of
other ornithischian...
-
family of
ceratopsian dinosaurs. They are
among the
earliest known marginocephalian dinosaurs, with
remains dating to
about 160
million years ago, during...
- relationships.
Dinosaurs portal Birds portal Amphibians portal Reptiles portal Marginocephalian Origin of
birds Ornithopod Thyreophoran Holtz,
Thomas R. Jr. (2012)...
-
Marginocephalians reported from the
Lance Formation Genus Species Location Stratigraphic Position Material Notes Images Agathaumas A.
sylvestris "Partial...
- The
Horseshoe Canyon Formation is a
stratigraphic unit of the
Western Canada Sedimentary Basin in
southwestern Alberta. It
takes its name from Horseshoe...
-
squamosal bones at the
posterior end of the skull.
Although the
first marginocephalian known to scientists, Agathaumas, was
described in 1872 by
Edward Drinker...
