"from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals"@en-us . "0"^^ . "0.823316"^^ . "Pliocene epoch"@en-us . "110852912"@en-us . . "Pliocene"@en-us . "0.0"^^ . . "0.0"^^ . . "Pliocene"^^ . . . "0"^^ . . . "0.0"^^ . . . "0.0"^^ . "115125323"^^ . "0.0"^^ . . . . "0.176684"^^ . "114268585"@en-us . . "15125323-n"^^ . "0.0"^^ . . . .