An order of amphibians that comprises the newts and salamanders, which retain the tail as adults.‘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).’Also called Caudata
- ‘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.’
- ‘They are among the most primitive of the Urodela, and their eggs are fertilised externally.’
- ‘Some female Urodela are provided with receptacula seminis.’
Modern Latin (plural), from uro-‘tail’ + Greek dēlos ‘evident’.
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