horn coral: Quick Facts

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Facts

Also Known As	rugose coral • Rugosa

Photos

Illustration of an early Silurian coral-stromatoporoid community showing various labeled marine organisms, including corals, bryozoans, brachiopods, crinoids, trilobites, and a nautiloid, arranged on and around a block of seafloor substrate with a scale bar indicating centimeters.

Silurian Pentamerus community

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Topics

Permian extinction Paleozoic Era extinction fossil coral Zoantharia dinosaur Australopithecus pterosaur ichthyosaur sea anemone plesiosaur trilobite oreodont ammonoid placoderm

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Animal Factoids

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

Animal Group Names

Mute swan with cygnet. (birds)

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Lion (panthera leo)

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