Japan dinosaur museum identifies fossil as new flying reptile species

Find uncovered in layer of rock dating to period tens of millions of years ago

20250514 Japan dinosaur

An illustration shows what a newly identified species and genus of pterosaur found in southwestern Japan may have looked like. (Mifune Dinosaur Museum) © Kyodo

KUMAMOTO, Japan (Kyodo) -- A fossil found nearly three decades ago in southwestern Japan's Kumamoto prefecture has been identified to be a previously unclassified genus and species of pterosaur, or prehistoric flying reptile, a local dinosaur museum said Tuesday.

Nipponopterus mifunensis is the first pterosaur to be formally named as a distinct species based on the fossil. Because it is the first known member of a new genus group of closely related species, the fossil is expected to offer important clues for studying the evolutionary process of pterosaurs.

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