crossopterygian 的 2 个定义
- any fish of the group Crossopterygii, extinct except for the coelacanth, regarded as being ancestral to amphibians and other land vertebrates.
- pertaining to or resembling a crossopterygian.
更多crossopterygian例句
- With these remains are found also scales possibly belonging to a Crossopterygian fish (Eriptychius).
- The braincase of the Carboniferous crossopterygian Megalichthys nitidus.
- These are found in the garpike and in many genera of extinct Ganoid and Crossopterygian fishes.
- In every modern Dipnoan, Crossopterygian, and Ganoid the air-bladder has an effective pneumatic duct.
- It is not unlikely that the Crossopterygian gave rise to Amphibian and Dipnoan alike.