Archæozoic
See also: Archaeozoic
English
editProper noun
editArchæozoic
- Obsolete form of Archaeozoic.
Adjective
editArchæozoic (not comparable)
- Obsolete form of Archaeozoic.
- 1922, John Arthur Thomson, The Outline of Science[1], volume I, page 90:
- It is an astounding fact that at least half of geological time (the Archæozoic and Proterozoic eras) passed before there were living creatures with parts sufficiently hard to form fossils.