Eozoic :: Eozoic (a.) Of or pertaining to rocks or strata older than the Paleozoic, in many of which the eozoon has been found..
Eozoon :: Eozoon (n.) A peculiar structure found in the Archaean limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure..
Eozoonal :: Eozoonal (a.) Pertaining to the eozoon; containing eozoons; as, eozoonal limestone..
Paleozoic :: Paleozoic (a.) Of or pertaining to, or designating, the older division of geological time during which life is known to have existed, including the Silurian, Devonian, and Carboniferous ages, and also to the life or rocks of those ages. See Chart of Geology..