Monotremata

Monotremata; Julat zaman: 123–0 Ma PreЄ Є O S D C P T J K Pg N Cretaceous Awal - Kini
	Empat daripada lima spesies monotrem lanjut: platipus (atas kiri), ekidna paruh pendek (atas kanan), ekidna paruh panjang barat (bawah kiri) dan replika ekidna paruh panjang timur (bawah kanan)
Pengelasan saintifik
Domain:	Eukaryota
Alam:	Haiwan
Filum:	Chordata
Klad:	Synapsida
Klad:	Mammaliaformes
Kelas:	Mammalia
Subkelas:	Prototheria
Order:	Monotremata; C.L. Bonaparte, 1837
Subkumpulan
	†Kryoryctes?; †Stirtodon; †Sundrius?; †Steropodontidae; Ornithorhynchidae; Tachyglossidae;

Monotremata^[4] (monos, tunggal + trema, lubang; menunjuk pada kloaka) ialah order mamalia yang bertelur dan tidak bersalin terus seperti marsupial (Metatheria) dan mamalia berplasenta (Eutharia).

^ 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.
^ Thomas H. Rich; Timothy F. Flannery; Patricia Vickers-Rich (2020). "Evidence for a remarkably large toothed-monotreme from the Early Cretaceous of Lightning Ridge, NSW, Australia". Dalam Guntupalli V.R. Prasad; Rajeev Patnaik (penyunting). Biological consequences of plate tectonics. New perspectives on post-Gondwana break-up–A tribute to Ashok Sahni. Vertebrate Paleobiology and Paleoanthropology. Springer. m/s. 77–81. doi:10.1007/978-3-030-49753-8_4. ISBN 978-3-030-49752-1.
^ Thomas H. Rich; Timothy F. Flannery; Alistair R. Evans; Matt White; Timothy Ziegler; Alanna Maguire; Stephen Poropat; Peter Trusler; Patricia Vickers-Rich (2020). "Multiple hypotheses about two mammalian upper dentitions from the Early Cretaceous of Australia". Alcheringa: An Australasian Journal of Palaeontology. 44 (4): 528–536. doi:10.1080/03115518.2020.1829042. S2CID 230531306.
^ Groves, Colin (16 November 2005). Wilson, D. E., dan Reeder, D. M. (ed.) (penyunting). Mammal Species of the World (ed. ke-3). Percetakan Universiti Johns Hopkins. m/s. p. 1-2. ISBN 0-801-88221-4. |pages= has extra text (bantuan)CS1 maint: multiple names: editors list (link) CS1 maint: extra text: editors list (link)

[1] 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.

[2] Thomas H. Rich; Timothy F. Flannery; Patricia Vickers-Rich (2020). "Evidence for a remarkably large toothed-monotreme from the Early Cretaceous of Lightning Ridge, NSW, Australia". Dalam Guntupalli V.R. Prasad; Rajeev Patnaik (penyunting). Biological consequences of plate tectonics. New perspectives on post-Gondwana break-up–A tribute to Ashok Sahni. Vertebrate Paleobiology and Paleoanthropology. Springer. m/s. 77–81. doi:10.1007/978-3-030-49753-8_4. ISBN 978-3-030-49752-1.

[3] Thomas H. Rich; Timothy F. Flannery; Alistair R. Evans; Matt White; Timothy Ziegler; Alanna Maguire; Stephen Poropat; Peter Trusler; Patricia Vickers-Rich (2020). "Multiple hypotheses about two mammalian upper dentitions from the Early Cretaceous of Australia". Alcheringa: An Australasian Journal of Palaeontology. 44 (4): 528–536. doi:10.1080/03115518.2020.1829042. S2CID 230531306.

[msw3-4] Groves, Colin (16 November 2005). Wilson, D. E., dan Reeder, D. M. (ed.) (penyunting). Mammal Species of the World (ed. ke-3). Percetakan Universiti Johns Hopkins. m/s. p. 1-2. ISBN 0-801-88221-4. |pages= has extra text (bantuan)CS1 maint: multiple names: editors list (link) CS1 maint: extra text: editors list (link)

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Monotremata

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