アメリカ自然史博物館のインスタグラム(amnh) - 6月18日 10時26分

RESEARCH ALERT! A new study by Museum paleontologist Mark Norell and Yale University colleagues has found that the first dinosaurs laid soft-shelled eggs, like those of a turtle. It was long assumed that all non-avian dinosaurs laid hard eggs, like modern crocodilians and birds. But by studying embryo-containing fossil eggs belonging to two species of dinosaur, Protoceratops and Mussaurus, researchers determined that the eggs of ceratopsian dinosaurs were actually leathery and soft. Read more about the exciting findings in our latest blog post. #LinkInBio 🦕🥚🐢

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する