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"Labyrinthodontia" (from Ancient Greek λαβύρινθος (labúrinthos, meaning "maze", and ὀδούς (odoús), meaning "tooth") is an informal group of extinct predatory amphibians which were major components of ecosystems in the late Paleozoic and early Mesozoic eras (about 390 to 150 million years ago). Traditionally considered a subclass of the class Amphibia…
History, Evolutionary history & History of classification
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labyrinthodonts early amphibians modern forms group carboniferous groups small aquatic vertebrae would skull evolved devonian fish temnospondyli labyrinthodont permian reptile-like
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| lissamphibians | instance of | ancestral to living tetrapods | 0.80 | text |
| Ichthyostega | instance of | In earlier fully aquatic forms | 0.80 | text |
| it may have formed an open spiracle | instance of | In earlier fully aquatic forms | 0.80 | text |
| Seymouria | instance of | In later terrestrial forms | 0.80 | text |
| it may possibly have held a tympanic membrane | instance of | In later terrestrial forms | 0.80 | text |
| the Trematosauridae | instance of | and even marine forms | 0.80 | text |
| Labyrinthodontia | related to Groups of labyrinthodonts | The | 0.60 | section |
| Labyrinthodontia | related to Groups of labyrinthodonts | Several | 0.60 | section |
| Labyrinthodontia | related to Groups of labyrinthodonts | Many | 0.60 | section |
| Labyrinthodontia | related to Groups of labyrinthodonts | Carboniferous | 0.60 | section |
| Labyrinthodontia | related to Groups of labyrinthodonts | Romer's | 0.60 | section |
| Labyrinthodontia | related to Groups of labyrinthodonts | Further | 0.60 | section |
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