Eozoon

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E`o`zo´on


n.1.(Paleon.) A peculiar structure found in the Archæan 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.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Hahn's first contact with Canada came in the form of the fossil "eozoon canadense," which Canadian geologist William Dawson of McGill University in Montreal claimed to be an organic, single-celled protistan.
A second controversy erupted around the discovery of putative Precambrian protozoan fossils (Eozoon canadense) in the Canadian Shield, which Dawson claimed to be the earliest evidence for life (Dawson 1864).