The book also introduces readers to prehistoric mustelids, a family of carnivores that includes weasels, badgers and wolverines. These ancient mammals were far larger than their modern relatives.

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals. Skip to content. Subscribe or renew today ...

See Stunning Illustrations of Prehistoric Life From One of the Most Renowned Paleoartists in the World A new book highlights the beautiful work of Jay Matternes, an accomplished artist who drew ...