Labyrinthodont (Greek, "maze-toothed") is an obsolete term for any member of the extinct superorder (or subclass) (Labyrinthodontia) of amphibians, which constituted some of the dominant animals of Late Paleozoic and Early Mesozoic times (about 350 to 210 million years ago). The name describes the pattern of infolding of the dentine and enamel of the teeth, which are often the only part of the creatures that fossilize. They are also distinguished by a heavy solid skull (and therefore often named "Stegocephalia"), and complex vertebrae, the structure of which is useful in older classifications of the group.
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| - Labyrinthodont (Greek, "maze-toothed") is an obsolete term for any member of the extinct superorder (or subclass) (Labyrinthodontia) of amphibians, which constituted some of the dominant animals of Late Paleozoic and Early Mesozoic times (about 350 to 210 million years ago). The name describes the pattern of infolding of the dentine and enamel of the teeth, which are often the only part of the creatures that fossilize. They are also distinguished by a heavy solid skull (and therefore often named "Stegocephalia"), and complex vertebrae, the structure of which is useful in older classifications of the group.
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Kingdom
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Name
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Caption
| - Proterogyrinus, an anthracosaur.
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fossil range
| - Carboniferous
- Descendant taxon Amniotes and Lissamphibians survives to present.
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Class
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subdivisions
| - * Superorder Reptiliomorpha
- ** Order Anthracosauria
- * Order Ichthyostegalia
* Order Temnospondyli
* '''Batrachomorpha
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Superorder
| - (Owen, 1860)
- Labyrinthodontia
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Phylum
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Subphylum
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abstract
| - Labyrinthodont (Greek, "maze-toothed") is an obsolete term for any member of the extinct superorder (or subclass) (Labyrinthodontia) of amphibians, which constituted some of the dominant animals of Late Paleozoic and Early Mesozoic times (about 350 to 210 million years ago). The name describes the pattern of infolding of the dentine and enamel of the teeth, which are often the only part of the creatures that fossilize. They are also distinguished by a heavy solid skull (and therefore often named "Stegocephalia"), and complex vertebrae, the structure of which is useful in older classifications of the group.
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