Definition of Placentalia. Meaning of Placentalia. Synonyms of Placentalia

Here you will find one or more explanations in English for the word Placentalia. Also in the bottom left of the page several parts of wikipedia pages related to the word Placentalia and, of course, Placentalia synonyms and on the right images related to the word Placentalia.

Definition of Placentalia

Placentalia
Placentalia Plac`en*ta"li*a, n. pl. [NL.] (Zo["o]l.) A division of Mammalia including those that have a placenta, or all the orders above the marsupials.
Placentalia
Mammalia Mam*ma"li*a, n. pl. [NL., from L. mammalis. See Mammal.] (Zo["o]l.) The highest class of Vertebrata. The young are nourished for a time by milk, or an analogous fluid, secreted by the mammary glands of the mother. Note: Mammalia are divided into three subclasses; -- I. Placentalia. This subclass embraces all the higher orders, including man. In these the fetus is attached to the uterus by a placenta. II. Marsupialia. In these no placenta is formed, and the young, which are born at an early state of development, are carried for a time attached to the teats, and usually protected by a marsupial pouch. The opossum, kangaroo, wombat, and koala are examples. III. Monotremata. In this group, which includes the genera Echidna and Ornithorhynchus, the female lays large eggs resembling those of a bird or lizard, and the young, which are hatched like those of birds, are nourished by a watery secretion from the imperfectly developed mamm[ae].

Meaning of Placentalia from wikipedia

- Placental mammals (infraclass Placentalia /plæsənˈteɪliə/) are one of the three extant subdivisions of the class Mammalia, the other two being Monotremata...
- right' and θηρίον, thēríon 'beast'; lit. 'true beasts'), also called Pan-Placentalia, is the clade consisting of placentals and all therian mammals that are...
- protein characters, as well as the fossil record. Mammal classification Placentalia Exceptional clades whose males lack the usual boreoeutherian ****...
- presumably in the Cretaceous. Together with Boreoeutheria, they make up Placentalia. The monophyly of this grouping is supported by some genetic evidence...
- a living crown-group (respectively the Monotremata, Marsupialia and Placentalia) plus any fossil species which are more closely related to that crown-group...
- Chordata Clade: Amniota Clade: Synapsida Clade: Mammaliaformes class: Mammalia Linnaeus, 1758 Living subgroups Monotremata Theria Marsupialia Placentalia...
- This is a list of mammals of New South Wales. The following tags are used to highlight each species' conservation status as ****essed by the International...
- the most recent common ancestor of extant Monotremata, Marsupialia and Placentalia. Besides Morganucodonta and the crown group mammals, Mammaliaformes also...
- †Thylacosmilidae †Patagosmilus †Anachlysictis †Thylacosmilus Subclass: Placentalia Order: †Hyaenodonta †Boualitomus Family: †Sinopidae Genus: †Sinopa Superfamily:...
- October 2015). Goswami, Anjali (ed.). "New fossil Hyaenodonta (Mammalia, Placentalia) from the Ypresian and Lutetian of France and the evolution of the Proviverrinae...