Without a tail; lacking a tail or tail-like appendage (more common adjective form than 'anour').
From Greek 'a-' (without) + 'oura' (tail) + '-ous' (adjectival suffix). Formed to describe the quality or state of being tailless in biological classification.
Anurans—those are frogs and toads—got their name because adult frogs are literally tailless, losing their tadpole tails during metamorphosis. The prefix 'an-' in 'anuran' comes from this same root!
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