For Vertebrates we have terms and definitions in 4 topics. The topics are Biology, Evolution, Fossils and Science.

Animals with backbones.
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The group (specifically, a subphylum) of animals, descended from a common ancestor, that share the derived character of an internal skeleton made of bone or cartilage.
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The group (specifically, a subphylum) of animals, descended from a common ancestor, that share the derived character of an internal skeleton made of bone or cartilage.
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Animals having a spinal column
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