Definitions
from The Century Dictionary.
- In zoology: A term proposed by Gill in 1872 for one of the major groups of the Mammalia, including the Mouodelphia and the Didelphia, as together contrasted with Prototheria.
- Restricted later by Huxley to the Monodelphia, the Didelphia being called
Metatheria : in this sense, an exact synonym of Monodelphia and Placentalia.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
infraclass within thesubclass Theria — the animals more closely related to placentals like rodents and humans than tomarsupials .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun all mammals except monotremes and marsupials
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Mammalia consists of and contains Eutheria, Marsupialia, etc.
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Monotremes are sometimes called Prototheria, in contrast with Metatheria (marsupials) and Eutheria (placental mammals).
Archive 2006-09-01 2006
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Monotremes are sometimes called Prototheria, in contrast with Metatheria (marsupials) and Eutheria (placental mammals).
Monotremata 2006
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Eutheria, in that it prevents injury to the skull at birth; but how explain on teleological principles the similar ossification from separate centres in marsupials, birds and reptiles?
Form and Function A Contribution to the History of Animal Morphology
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Eutheria, or higher animals, which include all the common animals from the mole or rabbit up to man.
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To him are due not only the names, but the idea, that the mammalian animals fall into three grades of ascending complexity of organisation: the reptile-like Prototheria, which lay large eggs, and which have many other reptilian characters; the Metatheria, or marsupial animals; the Eutheria, or higher animals, which include all the common animals from the mole or rabbit up to man.
Thomas Henry Huxley A Sketch Of His Life And Work Mitchell, P Chalmers 1900
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In this way it seems to me we have a logical explanation of the fact that the corpora lutea in the Marsupial are not absorbed at parturition as in Eutheria.
Hormones and Heredity J. T. Cunningham 1897
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The scrotum is always anterior to the origin of the penis, although in the Eutheria apparently behind that organ.
Hormones and Heredity J. T. Cunningham 1897
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In the higher Mammals (Eutheria) the corpora lutea show a special relation in their development to the occurrence of pregnancy, that is to say, they have a different history when ovulation is followed by pregnancy to that which they have when the ova, from the escape of which they arise, are not fertilised.
Hormones and Heredity J. T. Cunningham 1897
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Therapsida - > Theriodontia - > Cynodontia - > Mammalia - > Eutheria - >
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