prototherian

[ proh-tuh-theer-ee-uh n ]
/ ˌproʊ təˈθɪər i ən /

adjective

belonging or pertaining to the group Prototheria, comprising the monotremes.

noun

a prototherian animal.

Origin of prototherian

1880–85; < New Latin Prototheri(a) (< Greek prōto- proto- + thēría, plural of thēríon beast) + -an

Example sentences from the Web for prototherian

British Dictionary definitions for prototherian

prototherian
/ (ˌprəʊtəʊˈθɪərɪən) /

adjective

of, relating to, or belonging to the Prototheria, a subclass of mammals that includes the monotremes

noun

any prototherian mammal; a monotreme

Word Origin for prototherian

C19: New Latin, from proto- + Greek theria wild animals