Clade Onychocaudata Olesen and Richter 2013 (branchiopod)
Parent taxon: Diplostraca according to M. Schwentner et al. 2018
Sister taxa: Conchostraca, Cryptopoda, Estheriellina, Grauvogelocaris, Isaura, Laevicaudata, Olesenocaris
Subtaxa: Cladoceromorpha Spinicaudata
Ecology: slow-moving nektobenthic suspension feeder-detritivore