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prototherian

[proh-tuh-theer-ee-uh n] /ˌproʊ təˈθɪər i ən/
adjective
1.
belonging or pertaining to the group Prototheria, comprising the monotremes.
noun
2.
a prototherian animal.
Origin of prototherian
1880-1885
1880-85; < New Latin Prototheri(a) (< Greek prōto- proto- + thēría, plural of thēríon beast) + -an
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for prototherian

prototherian

/ˌprəʊtəʊˈθɪərɪən/
adjective
1.
of, relating to, or belonging to the Prototheria, a subclass of mammals that includes the monotremes
noun
2.
any prototherian mammal; a monotreme
Word Origin
C19: New Latin, from proto- + Greek theria wild animals
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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