Order Platycopida Sars 1866 (ostracod)
Parent taxon: Podocopa according to S. Crasquin 2008
Sister taxa: Carbonita, Cetollina, Eumiraculum, Palaeocopida, Podocopida, Progonocytheridae
Subtaxa: Ankumia, Dizygopleura, Gotlandella, Nyhamnella, Platycopina, Reubenella, Staringia, Struveopsis, Tetratylus
Ecology: epifaunal detritivore-suspension feeder