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Webster 1913 Edition
Placentalia
‖
Placˊen-ta′li-a
,Noun.
pl.
[NL.]
(Zool.)
A division of Mammalia including those that have a placenta, or all the orders above the marsupials.
Definition 2024
Placentalia
Placentalia
Translingual
Proper noun
Placentalia
- The clade originating with the last common ancestor of extant eutherians;
- (archaic) A taxonomic subclass within the class Mammalia.
Synonyms
- (clade): Eutheria
Hypernyms
- (clade): Tetrapoda - superclass; Amniota, Synapsida - clade; Pelycosauria - informal group; Eupelycosauria - clade; Therapsida - order; Theriodontia, Cynodontia, Mammaliaformes - clades; Mammalia - class; Trechnotheria - subclass; Zatheria - infraclass; Theria - supercohort
Hyponyms
- (clade): Afrotheria, Euarchontoglires, Laurasiatheria, †Meridiungulata, Xenarthra - superorders