of or relating to or denoting the Paleozoic era
[ Syn: paleozoic ]
Paleozoic (adj.)
from 544 million to about 230 million years ago
[ Syn: paleozoic , paleozoic era ]
of or relating to or denoting the Paleozoic era
[ Syn: paleozoic ]
from 544 million to about 230 million years ago
[ Syn: paleozoic , paleozoic era ]