ceratopsidae การใช้

• He placed Acanthopholididae, Stegosauridae and Ceratopsidae together inside the group.
• In 1890 Marsh classified them together in the family Ceratopsidae and the order Ceratopsia.
• In 1902, Lambe placed " Monoclonius canadensis " in the Ceratopsidae.
• "Zhuchengceratops " shares may features with Leptoceratopsidae as well as other ceratopsian groups such as Ceratopsidae.
• It lived about 10 million years earlier than the more familiar horned Ceratopsidae and provides an important window on their ancestry.
• In an 1889 paper, Cope suggested that Marsh's Ceratopsidae be renamed Agathaumidae, because of the paucity of " Ceratops " remains.
• Over the decades Lull ( 1933 ), Romer ( 1956 ), Russell and Chamney ( 1967 ), Molnar ( 1980 ) agreed with the assignment to Ceratopsidae.
• Although poorly known, " Ceratops " is important in the history of dinosaurs, since it is the type genus for which both the Ceratopsia and the Ceratopsidae have been named.
• A similar theory has been proposed regarding the plates of " Stegosaurus ", although this use alone would not account for the bizarre and extravagant variation seen in different members of the Ceratopsidae.
• The skull bore a pair of long brow horns like those seen in the Ceratopsidae, although " Turanoceratops " appears to have been transitional between earlier ceratopsians and ceratopsids, and not a ceratopsid itself.
• In contrast to the previous analysis, You and Dodson find " Chaoyangsaurus " to be the most basal neoceratopsian, more derived than " Psittacosaurus ", while Leptoceratopsidae, not Protoceratopsidae, is recovered as the sister group of Ceratopsidae.
• Fiorillo, curator of earth sciences at the Dallas Museum of Natural History, first brought his team to this remote, roadless spot on the edge of the National Petroleum Reserve above the Arctic Circle to recover the skull of a type of horned dinosaur known as a pachyrhinosaurus, or " thick-nosed dinosaur, " a member of the family Ceratopsidae.