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There are three orders of Amphibia. 1. Caecilians – (Earthworms) - they are limbless, with bullet shaped heads and tails. 2. Caudata - (Salamanders and Newts) - cylindrical bodies long tailed with heads and necks and well developed limbs. 3. Anura – (frogs and toads) they have stout tailess body with well developed limbs.
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