Sentences with phrase «unknown ancient group»
But in 2010, researchers discovered a finger bone from a previously unknown ancient group of pre-human folk.
https://www.sciencenewsforstudents.org/ Not exact matches
The new species was part of a previously unknown group of ancient arachnids that could help scientists suss out how and when spiders and their cousins evolved, the team reports March 30 in Proceedings of the Royal Society B.