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thecodontian
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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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thecodontian

fossil reptile group
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Also known as: Thecodontia
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Related Topics:
fossil
crurotarsan
archosaur
phytosaur

thecodontian, archaic term formerly applied to any member of a group of primitive archosaurs (“ruling reptiles”) thought to include the ancestral stock of all other archosaurs, including birds, dinosaurs, pterosaurs (extinct flying reptiles), and crocodiles. The name thecodont means “socket-toothed.”