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dyrosauridae
:''Not to be confused with Dryosauridae''
Dyrosauridae is a family of extinct neosuchian crocodyliforms that lived from the Late Cretaceous (Maastrichtian) to the Eocene. Dyrosaurid fossils are globally distributed, having been found in Africa, Asia, Europe, North America and South America. Over a dozen species are currently known, varying greatly in overall size and cranial shape. All were presumably aquatic, with species inhabiting both freshwater and marine environments. Ocean-dwelling dyrosaurids were among the few marine reptiles to survive the Cretaceous–Paleogene extinction event.
==Paleobiogeography==
Dyrosaurids were once considered an African group, but discoveries made starting from the 2000s indicate they inhabited the majority of the continents.〔Jouve ''et al.'' (2008)〕 In fact, basal forms suggest that their cradle may have been North America.
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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