trachystomata
📖 中文释义
- 硬口目
📘 English Definition（英文释义）
- n. pl. An order of tailed aquatic amphibians, including
- Siren and Pseudobranchus. They have anterior legs only, are eel-like in
- form, and have no teeth except a small patch on the palate. The
- external gills are persistent through life.