Sentences with phrase «marine shell fragments»

Not exact matches

Benjamini identified the tiny round shells of foraminifera and fragments of red coralline algae; these marine organisms suggested that the ocean, rather than a river or a flash flood, had been involved.

As they analyzed a pair of 66 - to 100 - million - year - old plesiosaur skeletons found near Hokkaido, Japan, the researchers realized the fossilized bones of the toothy, quad - flippered marine reptiles * were surrounded by fossilized shell fragments from provannids, a type of tiny snail.