Jeholosauridae
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Jeholosauridae is an extinct group of herbivorous neornithischian dinosaurs from the Cretaceous Period. The family was first proposed by Han et al. in 2012. The jeholosaurids were defined as all neorn
Nanosaurus
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Nanosaurus is an extinct genus of neornithischian dinosaur that lived about 155 to 148 million years ago, during the Late Jurassic in North America. Its fossils are known from the Morrison Formation o
Type specimen of Nanosaurus agilis Marsh 1877 (YPM VP 1913) as illustrated in 1908 (left) and cast of the bone impressions after the fragmentary bone was removed (right)
Othniel Charles Marsh's 1896 skeletal restoration of "Laosaurus" consors (now Nanosaurus).
Skeleton with outdated skull-shape based on Hypsilophodon