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Chaoyangsauridae is a
family of
ceratopsian dinosaurs. They are
among the
earliest known marginocephalian dinosaurs, with
remains dating to
about 160 million...
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outside or
inside the Neoceratopia. In 2006, Zhao, et al
defined a
Chaoyangsauridae, as the most
basal ceratopian clade.
Dinosaurs portal Timeline of ceratopsian...
- this definition, the most
basal known ceratopsians are the
family Chaoyangsauridae and the well
known genus Psittacosaurus, from the
Early Cretaceous...
- the Tithonian, 150.8-145.5
million years ago. A
member of the
family Chaoyangsauridae, it was one of the
earliest ceratopsians. The
fossils were
found in...
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Albalophosaurus Micropachycephalosaurus Psittacosaurus Chaoyangsauridae Chaoyangsaurus Hualianceratops Stenopelix Xuanhuaceratops Yinlong...
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appeared in the Late Jur****ic of China,
represented by
members of
Chaoyangsauridae.
Sauropods became the
dominant large herbivores in
terrestrial ecosystems...
- †Ceratopsia (bipeds and quadrupeds; many had neck
frills and horns) †
Chaoyangsauridae (small, frill-less
basal ceratopsians) †Neoceratopsia ("new ceratopsians")...
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Psittacosaurus spp.
Chaoyangsauridae Neoceratopsia...
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Albalophosaurus Micropachycephalosaurus Psittacosaurus Chaoyangsauridae Chaoyangsaurus Hualianceratops Stenopelix Xuanhuaceratops Yinlong...
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Albalophosaurus Micropachycephalosaurus Psittacosaurus Chaoyangsauridae Chaoyangsaurus Hualianceratops Stenopelix Xuanhuaceratops Yinlong...
