We present a cladistic analysis of all branchiopod groups, using a total of 42 morphological characters. The class Branchiopoda is composed of five superorders and 11 orders (nine recent, two fossil). The orders Ctenopoda, Anomopoda and Onychopoda form a monophyletic group, combined in the superorder Cladocera. The order Haplopoda, the fourth so-called cladoceran order (s. lat.), belongs to a new monotypic superorder, the Leptodorida. The circumtropical Cyclesteria hislopi is the sole representative of a new conchostracan order, the Cyclestherida.
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