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Gavialis browni
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Gavialis browni : ウィキペディア英語版
Gavialis browni

''Gavialis browni'' is an extinct species of the crocodylian genus ''Gavialis'' and a close relative of the living gharial ''Gavialis gangeticus''. ''G. browni'' lived about 5 million years ago in the Sivalik Hills of Pakistan. ''G. browni'' can be distinguished from ''G. gangeticus'' by its more closely spaced eyes and a narrower frontal bone. The species was named in 1932 by paleontologist Charles Mook. Mook described it as a transitional form between the most primitive ''Gavialis'' species, ''Gavialis dixoni'', and the most advanced, the modern gharial (although ''G. dixoni'' is now placed outside ''Gavialis'' in its own genus, ''Dollosuchus'', and may be more closely related to crocodiles than to the gharial). ''G. browni'' has a longer snout with more teeth than ''Dollosuchus'', but it is not as long and does not have as many teeth as that of the gharial. ''G. browni'' has also been proposed to be moved to a genus other than ''Gavialis''.
==References==



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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