File:Monotreme_collage.jpg · Wikimedia Commons · See Wikimedia Commons
Monotremes are a small group of egg-laying mammals that include the platypus and echidnas, making them unique among living mammals since all other mammals give birth to live young. Despite laying eggs, female monotremes share a key trait with other mammals: they produce milk to feed their babies after they hatch.
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Research
1,203 papers- Monotreme and marsupial reproduction.ReviewReproduction, fertility, and development · 1995Renfree MBDOI: 10.1071/rd9951003
- Monotreme biology.Comparative biochemistry and physiology. Part A, Molecular & integrative physiology · 2003Nicol SDOI: 10.1016/s1095-6433(03)00281-2
- Tracing monotreme venom evolution in the genomics era.ReviewToxins · 2014Whittington CM, Belov KDOI: 10.3390/toxins6041260
- First monotreme from the Late Cretaceous of South America.Communications biology · 2023Chimento NR, Agnolín FL, Manabe M et al.DOI: 10.1038/s42003-023-04498-7
- The evolution of marsupial and monotreme chromosomes.ReviewCytogenetic and genome research · 2012Deakin JE, Graves JA, Rens WDOI: 10.1159/000339433
- Monotreme sex chromosomes--implications for the evolution of amniote sex chromosomes.ReviewReproduction, fertility, and development · 2009Waters PD, Marshall Graves JADOI: 10.1071/RD09250
- Implications of monotreme and marsupial chromosome evolution on sex determination and differentiation.ReviewGeneral and comparative endocrinology · 2017Deakin JEDOI: 10.1016/j.ygcen.2015.09.029
- The monotreme genome: a patchwork of reptile, mammal and unique features?ReviewComparative biochemistry and physiology. Part A, Molecular & integrative physiology · 2003Grützner F, Deakin J, Rens W et al.DOI: 10.1016/j.cbpb.2003.09.014
via PubMed
Wikidata facts
- Instance of
- taxon
- Has part
- penis
- Parent taxon
- Australosphenida
- Image
- Tachyglossus aculeatus side on.jpg
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- taxon rank
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- Monotremata
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- Monotremata
- topic's main category
- Category:Monotremes
- start time
- 210000000-
- litter size
- 1
- egg incubation period
- 10.5
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- stekowiec
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- mode of reproduction
- oviparity
Sources (7)
via Wikidata · CC0
Article · Deutsch
Die Kloakentiere (Monotremata, von gr. μόνος monos „einzeln“, „einzig“ und τρῆμα trema „Loch“, „Öffnung“), früher auch Gabeltiere genannt, sind eine Ordnung der Säugetiere (Mammalia). Kloakentiere sind die einzigen Vertreter der Unterklasse der Ursäuger (Protheria). Der Name Kloakentiere weist darauf hin, dass Enddarm, Harn- und Geschlechtswege in einen gemeinsamen Ausführgang (Kloake) münden. Sie unterscheiden sich von allen anderen Säugetieren dadurch, dass sie keinen lebenden Nachwuchs zur Welt bringen, sondern Eier legen. Dieses Taxon wird in zwei Familien unterteilt: die Ameisenigel (Tachyglossidae) und das Schnabeltier (Ornithorhynchidae) – insgesamt umfasst es fünf rezente Arten, die nur in Australien und Neuguinea leben.
Abstract from DBpedia / Wikipedia · CC BY-SA
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