therapsid: Quick Facts

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Facts

Also Known As	Therapsida

Photos and Videos

Diagram comparing five types of reptile skulls-synapsid, parapsid, anapsid, euryapsid, diapsid-and a lizard skull, each labeled with bones such as postorbital, squamosal, and postfrontal, highlighting differences in skull openings and structure.

Illustration of a Lystrosaurus, an extinct dicynodont therapsid, showing a stocky, quadrupedal animal with a short tail, beaked mouth, and two prominent tusks, with a scale bar above for size reference.

Illustration of the extinct Edaphosaurus, a pelycosaur, showing a reptile-like animal with a large, sail-like fin on its back, squat limbs, and a long tail. A scale bar indicates size.

Collage showing a dog plus a saber-toothed cat equaling a prehistoric, quadrupedal creature with thick limbs and dark, hairless skin.

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Topics

cynodont Dicynodontia Diarthrognathus Moschops Bauria Tapinocephalus Venyukovia Lystrosaurus Tritylodontidae Procynosuchus Dimetrodon Seymouria Edaphosaurus Diadectes Limnoscelis Captorhinus dinosaur Australopithecus Homo erectus Neanderthal

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

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