Definition of Branchiosaurus
: a group of small fossil amphibians like salamanders from the Permian of Europe formerly regarded as constituting a separate order or suborder but now usually held to be larvae of typical rhachitomous labyrinthodont amphibians —used originally as a generic name and still commonly as though it were a generic name
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Origin and Etymology of branchiosaurus
New Latin, from branchi- + -saurus
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