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  1. Die Säugetiere (Mammalia) sind eine Klasse der Wirbeltiere mit rund 6600 rezent lebenden Arten. Zu ihren kennzeichnenden Merkmalen gehören das Säugen des Nachwuchses mit Milch , die in den Milchdrüsen der Weibchen produziert wird, sowie das Fell aus Haaren, das sie in Kombination mit der gleichwarmen Körpertemperatur relativ ...

  2. en.wikipedia.org › wiki › MammalMammal - Wikipedia

    A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia ( / məˈmeɪli.ə / ). Mammals are characterized by the presence of milk-producing mammary glands for feeding their young, a neocortex region of the brain, fur or hair, and three middle ear bones.

  3. Los mamíferos ( Mammalia) son una clase de animales vertebrados amniotas homeotermos (de sangre caliente) que poseen glándulas mamarias productoras de leche con las que alimentan a las crías. La gran mayoría de este grupo son vivíparos (con la excepción de los monotremas: ornitorrinco y equidnas ).

  4. en.wikipedia.org › wiki › TheriaTheria - Wikipedia

    Genus: † Tingamarra. Theria ( / ˈθɪəriə / or / ˈθɛriə /; from Ancient Greek θηρίον (thēríon) 'wild beast') is a subclass of mammals [2] amongst the Theriiformes. Theria includes the eutherians (including the placental mammals) and the metatherians (including the marsupials) but excludes the egg-laying monotremes ...

  5. Equus ( / ˈɛkwəs, ˈiːkwəs /) [3] is a genus of mammals in the family Equidae, which includes horses, asses, and zebras. Within the Equidae, Equus is the only recognized extant genus, comprising seven living species. Like Equidae more broadly, Equus has numerous extinct species known only from fossils.