
1) Animal order 2) Order monotremata
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https://www.crosswordclues.com/clue/monotremata

• (n. pl.) A subclass of Mammalia, having a cloaca in which the ducts of the urinary, genital, and alimentary systems terminate, as in birds. The female lays eggs like a bird. See Duck mole, under Duck, and Echidna.
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http://thinkexist.com/dictionary/meaning/monotremata/
Mon`o·trem'a·ta noun plural [ New Latin , from Greek
mo`nos single + ... hole.]
(Zoology) A subclass of Mammalia, having a cloaca in which the ducts of the urinary, genital, and alimentary systems terminate, as in birds. The female lays eggs like a bird. See
Duck mole , ...
Found on
http://www.encyclo.co.uk/webster/M/97

Type: Term Pronunciation: mon′ō-trē′mă-tă Definitions: 1. An order of egg-laying mammals that have a cloaca or common chamber that receives digestive, urinary, and reproductive products; only Australia has such forms, the duck-billed platypus (Ornithorhynchus) and the echidna (Tachyglossus).
Found on
http://www.medilexicon.com/medicaldictionary.php?t=55966

Monotremata is the lowest sub-class of Mammalia, corresponding to tlie Ornithodelphia of De Blainville, having only one common cloacal outlet for the faeces and the products of the urino-genital organs, in this respect as well as others, noticeably in producing eggs, resembling birds. The jaws have no teeth, at most having horny plates which serve ...
Found on
http://www.probertencyclopaedia.com/browse/BM.HTM

[
n] - coextensive with the subclass Prototheria
Found on
http://www.webdictionary.co.uk/definition.php?query=Monotremata
order Monotremata noun coextensive with the subclass Prototheria
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.