E`o*zo"on (?), n.; pl. Eozoons (#), L. Eozoa (#). [NL., fr. Gr. 'b`s dawn + zw^,on an animal.] Paleon.

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.

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© Webster 1913.

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