Definition of Prototherian

1. Noun. Primitive oviparous mammals found only in Australia and Tasmania and New Guinea.

Generic synonyms: Mammal, Mammalian
Specialized synonyms: Egg-laying Mammal, Monotreme



Definition of Prototherian

1. Adjective. Belonging or pertaining to the subclass Prototheria of monotremes. ¹

2. Noun. Any of the egg-laying mammals of the subclass Prototheria; a monotreme. ¹

¹ Source: wiktionary.com

Prototherian Pictures

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Lexicographical Neighbors of Prototherian

protostomatous
protostome
protostomes
protostomian
protostomians
protostomous
protosulphide
protosulphides
protosulphuret
protosulphurets
protosyntactic
protosyntactical
protosyntax
prototheme
protothemes
prototherian (current term)
prototherians
protothread
protothreads
prototile
prototiles
prototroph
prototrophic
prototrophies
prototrophs
prototrophy
prototropic
prototropically
prototropy
prototypal

Literary usage of Prototherian

Below you will find example usage of this term as found in modern and/or classical literature:

1. Geological Magazine by Henry Woodward (1904)
"85) to show their multituberculate crowns, which closely resemble the teeth of some of the earliest prototherian mammals found fossil. A figure is added (p. ..."

2. The Cambridge Natural History by Sidney Frederick Harmer, Arthur Everett Shipley (1902)
"... the two principal features of the Eutherian as opposed to the prototherian mammals. nevertheless it seems probable that the Marsupial tribe is derived ..."

3. Bulletin of the American Museum of Natural History by American Museum of Natural History (1914)
"Multituberculates quite independently of all the other mammals from a Triassic prototherian ancestor. In 1910 I published a paper 'On ..."

4. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1906)
"They are regarded, however, as prototherian mammals, allied to the monotremes and marsupials. The remains are fragmentary, teeth being the most significant ..."

5. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1906)
"They are regarded, however, as prototherian mammals, allied to the monotremes and marsupials. The remains are fragmentary, teeth being the most significant ..."

6. Report of the Annual Meeting (1885)
"... of Mammalian evolution, perhaps in the prototherian stage, as I have indicated by the vertical line dividing the upper semicircle into two equal parts. ..."

7. Arboreal Man by Frederic Wood Jones (1916)
"... and the long muzzle becomes typical and emblematic of this association in all primitive Mammals, prototherian, Metatherian, or Eutherian. ..."

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