Eozoon
Pronunciation : E`o*zo"?n, n.; pl. Eozo
Part of Speech : L.
Etymology : [NL., fr. Gr. 'hw`s dawn + zw^,on an animal.] (Paleon.)
Definition : Defn: A peculiar structure found in the Arch?an 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.
Eozoa.
Source : Webster's Unabridged Dictionary, 1913