See soorce fer Monotreme

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{{automatic taxobox
| name = Monotremes<ref name=msw3>{{MSW3 Groves|pages=1–2|id=10300001}}</ref>
| fossil_range = [[Late Triassic]]<ref>{{cite journal | last1 = Hugall | first1 = A. F.| year = 2007 | title = Calibration choice, rate smoothing, and the pattern of tetrapod diversification according to the long nuclear gene RAG-1 | url = | journal = Syst. Biol. | volume = 56 | issue = 4| pages = 543–63 | doi=10.1080/10635150701477825| pmid = 17654361|display-authors=etal}}</ref> – [[Holocene]], {{Fossil range|210|0}}
| image = Prototheria collage.png
| image_caption = A [[short-beaked echidna]], a [[platypus]], a ''[[Steropodon]]'' reconstruction, an a [[wastren lang-beaked echidna]]
| taxon = Monotremata
| authority = [[Charles Lucien Bonaparte|C.L. Bonaparte]], 1837<ref>{{cite journal |last1=Bonaparte |first1=C. L. |title=A New Systematic Arrangement of Vertebrated Animals |journal=Transactions of the Linnean Society of London  |date=1837 |volume=18|issue=3|page=258|doi=10.1111/j.1095-8339.1838.tb00177.x|url=https://www.biodiversitylibrary.org/page/32952956}}</ref>
| subdivision_ranks = Subgroups
| subdivision =
*''†[[Kryoryctes]]''?
*†[[Steropodontidae]]
*[[Platypoda]]
**[[Ornithorhynchidae]]
*[[Tachyglossa]]
**[[Echidna|Tachyglossidae]]
}}
'''Monotremes''' (frae the Greek μονός ''monos'' "single" + τρῆμα ''trema'' "hole", referrin tae the [[cloaca]]) are [[mammal]]s that lay eggs ([[Prototheria]]) insteid o givin birth tae live young lik [[marsupial]]s ([[Metatheria]]) an placental mammals ([[Eutheria]]).

==References==
{{reflist}}

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[[Category:Monotremes| ]]
[[Category:Extant Late Triassic first appearances]]
[[Category:Livin fossils]]
[[Category:Taxa named bi Charles Lucien Bonaparte]]