61:2.8 30,000,000 years ago the modern types of mammals began to make their appearance. Formerly the mammals had lived for the greater part in the hills, being of the mountainous types; suddenly there began the evolution of the plains or hoofed type, the grazing species, as differentiated from the clawed flesh eaters.
Sä tunnet sanat " olipa kerran " kuuntele siis, hetken verran!ParaCrawl Corpus ParaCrawl Corpus