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Tachyglossus aculeatus side on.jpg
Short-beaked echidna
Scienteefic clessification e
Kinrick: Animalia
Phylum: Chordata
Cless: Mammalia
Subcless: Prototheria
Order: Monotremata
C.L. Bonaparte, 1837

Monotremes (frae the Greek μονός monos "single" + τρῆμα trema "hole", referrin tae the cloaca) are mammals that lay eggs (Prototheria) insteid o givin birth tae live young lik marsupials (Metatheria) an placental mammals (Eutheria).

References[eedit | eedit soorce]

  1. Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M, eds. Mammal Species of the World (3rd ed.). Baltimore: Johns Hopkins University Press. pp. 1–2. OCLC 62265494. ISBN 0-801-88221-4.