placental mammal: Quick Facts

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Facts

Also Known As	Eutheria

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An adult capybara (Hydrochoerus hydrochaeris) stands in shallow water beside two young capybaras, all with brown fur and rounded bodies.

A simplified phylogenetic tree diagram showing the evolutionary relationships among major mammal groups, including Tritylodontidae, Morganucodon, Triconodon, Monotremata, Metatheria (marsupials), and Eutheria (placentals), with Mammaliaformes and Mammalia as ancestral branches and living mammals indicated at the top.

parallel evolution of marsupial and placental mammals

Diagram of the tree of life based on the three-domain system, showing Archaea, Bacteria, and Eukaryota branching into four kingdoms: Plants, Animals, Fungi, and Protista, with illustrations of representative organisms for each group.

A pangolin walks through grass with a blue circle around it and the word endangered written in white across the image.

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Mute swan with cygnet. (birds)

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Dromedary camels (Camelus dromedarius). Animals, mammals.

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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

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Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)

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Lion (panthera leo)

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The bearded vulture (Gypaetus barbatus) is seen in Switzerland on December 2024

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