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Definitions
primitive oviparous mammals found only in Australia and Tasmania and New Guinea
Word origin
From translingual Prototheria + -an, from Ancient Greek πρωτο- (prōto-, “proto-, first”) + θηρίον (thēríon, “beast”).
Used in a sentence
“In his classification of prototherian mammals Hopson (31) queried the allocation of Haramiyidae to the Multituberculata and suggested that multituberculates were derived from a morganucodontid ancestry.”
“Monotremes (prototherians), which include the duck-billed platypus, and short- and long-beaked echidnas, have a cloaca—a single opening for the fecal, urinary, and reproductive tracts.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
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