An order of amphibians that comprises the newts and salamanders, which retain the tail as adults.Also called Caudata
- ‘They are among the most primitive of the Urodela, and their eggs are fertilised externally.’
- ‘Some female Urodela are provided with receptacula seminis.’
- ‘They include all the members of the order Urodela, including the newts (family Salamandridae).’
- ‘Middle Jurassic salamanders are more primitive than members of the modern families, but unequivocally belong to the Urodela.’
- ‘There are more than 4,000 species of modern amphibians in three orders; in addition to the Anura, the Urodela (salamanders and newts) and Gymnophiona (caecilians - worm-like, with no limbs).’
Modern Latin (plural), from uro- tail + Greek dēlos evident.