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Carcharodontosaurus
''Carcharodontosaurus'' is a genus of carnivorous carcharodontosaurid dinosaurs that existed between 100 and 93 million years ago, during the late Albian to early Cenomanian stages of the mid-Cretaceous Period. It is currently known to include two species, ''C.saharicus'' and ''C.iguidensis'', which were among the larger theropods, as large as or slightly bigger than ''Tyrannosaurus'' and possibly slightly larger than ''Giganotosaurus'', but not quite as large as ''Spinosaurus''.
The genus ''Carcharodontosaurus'' is named after the shark genus ''Carcharodon''〔 (itself named from the Greek ''καρχαρο'' (''karcharo'') meaning "jagged" or "sharp" and ''οδοντο'' (''odonto'') meaning "teeth")), and ''σαυρος'' (''sauros''), meaning "lizard".
==Description==
''Carcharodontosaurus'' includes some of the longest and heaviest known carnivorous dinosaurs, with various scientists proposing length estimates for the species ''C. saharicus'' ranging between and weight estimates between 6.1 and 15.1 metric tons.〔〔〔
''Carcharodontosaurus'' were carnivores, with enormous jaws and long, serrated teeth up to eight inches long. A skull length of about 1.6 meters (5.2 ft) has been restored for ''C. saharicus'',〔 and the skull of ''C. iguidensis'' is reported to have been about the same size.〔 Currently, the largest known theropod skull belongs to another huge carcharodontosaurid dinosaur, the closely related ''Giganotosaurus'' (with skull length estimates up to 1.95 m) (6.4 ft).〔 Gregory S. Paul estimates ''Carcharodontosaurus iguidensis'' at and .〔Paul, G.S., 2010, ''The Princeton Field Guide to Dinosaurs'', Princeton University Press.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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