The egg-laying mammals: the only living mammal order whose members reproduce by laying eggs rather than giving birth to live young, though they still nurse their hatchlings with milk. Monotremata is confined to Australia and New Guinea and includes the platypus and the echidnas.
Facts
Taxonomic Rank Scientific Name Member Count Band Era First Appeared Disputed
Member Species/Taxa CountApproximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized. Classification
Living or Extinct Connections
Child Taxon Of
Parent Taxon Of
In the Other Atlases
Found In
Also in Geography Atlas: where this subject is found.
Sources
1. Monotremata (Wikipedia)
The five extant monotreme species are the platypus and the four species of echidnasView the Source 2. Catalogue of Life
3. Catalogue of Life (ChecklistBank): Taxon metrics for Monotremata
Catalogue of Life (ChecklistBank)Taxon metrics, speciesExtantCountQuote, Taxon metrics, speciesExtantCount
"speciesExtantCount": 5
4. Paleobiology Database: Taxon record for Monotremata
Paleobiology DatabaseTaxon record, first appearance (firstapp_max_ma, early_interval)Quote, Taxon record, first appearance (firstapp_max_ma, early_interval)
"taxon_name": "Monotremata" ... "firstapp_max_ma": 125.77 ... "early_interval": "Barremian"
Wikidata: Monotremata
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