Order Diplostraca Gerstecker 1866 (branchiopod)
Parent taxon: Calmanostraca according to G. Geyer et al. 2024
See also Martin and Davis 2001, Schwentner et al. 2018, Stigall and Hartman 2008 and Tasch 1969
Sister taxa: Acercostraca, Castrocollida, Kazacharthra, Notostraca
Subtaxa: Conchostraca Cryptopoda Estheriellina Grauvogelocaris Isaura Laevicaudata Olesenocaris Onychocaudata
Ecology: slow-moving nektobenthic suspension feeder-detritivore