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The prefrontal bone is a bone separating the lacrimal and frontal bones in many tetrapod skulls. It first evolved in the sarcopterygian clade Rhipidistia, which includes lungfish and the Tetrapodomorpha. The prefrontal is found in most modern and extinct lungfish, amphibians and reptiles. The prefrontal is lost in early mammaliaforms and so is not…
Overview & In dinosaurs
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prefrontal bone modern lungfish dinosaurs part bones frontal lacrimal skull many lost tetrapod skulls evolved sarcopterygian clade rhipidistia tetrapodomorpha amphibians
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Prefrontal bone | is a | bone separating the lacrimal and frontal bones in many tetrapod skulls | 0.90 | text |
| Prefrontal bone | is a | very small bone near the top of the skull | 0.90 | text |
| Prefrontal bone | related to In dinosaurs | The | 0.60 | section |
| Prefrontal bone | related to In dinosaurs | Conversely | 0.60 | section |
| Prefrontal bone | related to In dinosaurs | This | 0.60 | section |
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