Monotreme
(Reguidit frae Monotremata)
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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).
| Monotremes[2] | |
|---|---|
| |
| A short-beaked echidna, a platypus, a Steropodon reconstruction, an a wastren lang-beaked echidna | |
Scientific classification 
| |
| Kinrick: | Animalia |
| Phylum: | Chordata |
| Cless: | Mammalia |
| Subcless: | Prototheria |
| Order: | Monotremata C.L. Bonaparte, 1837[3] |
| Subgroups | |
References
eedit- ↑ Hugall, A. F.; et al. (2007). "Calibration choice, rate smoothing, and the pattern of tetrapod diversification according to the long nuclear gene RAG-1". Syst. Biol. 56 (4): 543–63. doi:10.1080/10635150701477825. PMID 17654361.
- ↑ 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.CS1 maint: ref=harv (link)
- ↑ Bonaparte, C. L. (1837). "A New Systematic Arrangement of Vertebrated Animals". Transactions of the Linnean Society of London. 18 (3): 258. doi:10.1111/j.1095-8339.1838.tb00177.x.