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Dictionary


pro•to•the•ri•an



Pronunciation: (prō"tu-thēr'ē-un), [key]
adj.
belonging or pertaining to the group Prototheria, comprising the monotremes.

n.
a prototherian animal.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

protostomeprototroph
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