Definition of Branchiopoda
1 : a subclass of crustacea comprising primitive aquatic forms typically having an elongated body, a carapace, and many pairs of foliaceous appendages and including the orders Anostraca, Notostraca, Conchostraca, and Cladocera
2 in some especially former classifications a : an order of Entomostraca including the Cladocera b : an order of Phyllopoda excluding the Cladocera c : phyllopoda
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Origin and Etymology of branchiopoda
New Latin, from branchi- + -poda
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