placental mammal

Definitions

  • WordNet 3.6
    • n placental mammal mammals having a placenta; all mammals except monotremes and marsupials
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Usage

In literature:

Not single specimen of any higher, or placental, mammal has yet been found in the whole Mesozoic Era.
"The Story of Evolution" by Joseph McCabe
A - Mammals, not true Marsupials nor true Placentals.
"The Life and Letters of Charles Darwin, Volume II (of II)" by Charles Darwin
Looks like a lizard, and it's only four inches long, but it's a real warm-blooded, gamogenetic, placental, viviparous mammal.
"Omnilingual" by H. Beam Piper
And last of all the true placental mammals appear.
"The Testimony of the Rocks" by Hugh Miller
The molar teeth being in excess of almost all other placental mammals with a differentiated series of teeth.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4" by Various
The air had now become suitable for mammals, both placental and implacental, and for birds.
"History of the Intellectual Development of Europe, Volume II (of 2)" by John William Draper
The Marsupials stand in many important characters below the placental mammals.
"The Descent of Man and Selection in Relation to Sex, Vol. I (1st edition)" by Charles Darwin
These are the Placental Mammals.
"The Chain of Life in Geological Time" by Sir J. William Dawson
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In news:

This fossil is believed to be the earliest placental mammal ever discovered.
Most of the genetic difference between marsupials and placental mammals comes from non-coding sequences, not proteins, according to the first marsupial genome sequence, unveiled in this week's Nature.
Biologists call the first group placental mammals and the second group marsupial mammals.
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In science:

They clearly show that even nuclear sequences of placental mammals are prone to significant base composition shifts.
Measuring Fit of Sequence Data to Phylogenetic Model: Gain of Power using Marginal Tests
Japan. Waddell, P.J., N. Okada, and M. Hasegawa. 1999. Towards resolving the interordinal relationships of placental mammals.
Measuring Fit of Sequence Data to Phylogenetic Model: Gain of Power using Marginal Tests
Evol. 8: 398-414. Waddell, P. J., S. Umehara, K.-C. Griche and H. Kishino. (2006). Quantitative Assessments of Genome-Wide Indels Support Atlantogenata at the Root of Placental Mammals. RM 1022, Institute of Statistical Mathematics, Tokyo. Waters, P.D., G.
Measuring Fit of Sequence Data to Phylogenetic Model: Gain of Power using Marginal Tests
Evolutionary History of LINE1 in the Major Clades of Placental Mammals.
Measuring Fit of Sequence Data to Phylogenetic Model: Gain of Power using Marginal Tests
For example, historically, these characters might be physical characteristics of the organisms (for example, binary characters might include the following: are they unicellular or multicellular, coldblooded or hot-blooded, egg-laying or placental mammals).
Using invariants for phylogenetic tree construction
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