What is the meaning of Prototheria?

(n.pl.) Same as Monotremata.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). prototheria. Retrieved October 2, 2026, from http://smartdefine.org/prototheria/definitions/2050267
ChicagoWebster's. 2011. "prototheria" http://smartdefine.org/prototheria/definitions/2050267 (accessed October 2, 2026).
HarvardWebster's 2011, prototheria, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/prototheria/definitions/2050267>.
MLAWebster's. "prototheria" 27 May 2011. Web. 2 October 2026. <http://smartdefine.org/prototheria/definitions/2050267>
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