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Protoceratops (/ ˌproʊtoʊˈsɛrətɒps /; lit. 'first horned face') [1] is a genus of small protoceratopsid dinosaurs that lived in Asia during the Late Cretaceous, around 75 to 71 million years ago. The genus Protoceratops includes two species: P. andrewsi and the larger P. hellenikorhinus.
Protoceratopsidae is a family of basal (primitive) ceratopsians from the Late Cretaceous period. Although ceratopsians have been found all over the world, protoceratopsids are only definitively known from Cretaceous strata in Asia, with most specimens found in China and Mongolia. As ceratopsians, protoceratopsids were herbivorous, with ...
Timeline of ceratopsian research. This timeline of ceratopsian research is a chronological listing of events in the history of paleontology focused on the ceratopsians, a group of herbivorous marginocephalian dinosaurs that evolved parrot-like beaks, bony frills, and, later, spectacular horns. The first scientifically documented ceratopsian ...
Breviceratops had a skull combining primitive and derived traits, such as premaxillary teeth (also shared with Protoceratops andrewsi) and an antorbital fenestra (also shared with Bagaceratops), which is an opening of the maxilla located in front of the eye socket. This fenestra was distinct from Bagaceratops in that it was narrow to straight ...
Bagaceratops. Bagaceratops (meaning "small-horned face") is a genus of small protoceratopsid dinosaurs that lived in Asia during the Late Cretaceous, around 72 to 71 million years ago. Bagaceratops remains have been reported from the Barun Goyot Formation and Bayan Mandahu Formation. One specimen may argue the possible presence of Bagaceratops ...
Size comparison to a 1.8 m tall human. Udanoceratops was a large ceratopsian, estimated at to have reached nearly 4 m (13 ft) long with a weight of 700 kg (1,500 lb). [9] It is the largest leptoceratopsid known so far. [10] The skull had a short frill and no horns over the eyes or nose. Its skull was about 60 cm (600 mm) long.
The brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system. The brain consists of the cerebrum, the brainstem and the cerebellum. It controls most of the activities of the body, processing, integrating, and coordinating the information it receives from the sense organs, and making ...
In human anatomy, the neurocranium, also known as the braincase, brainpan, or brain-pan, [ 1 ][ 2 ] is the upper and back part of the skull, which forms a protective case around the brain. [ 3 ] In the human skull, the neurocranium includes the calvaria or skullcap. The remainder of the skull is the facial skeleton.