Progymnoplea Lang, 1948
**** Order Platycopioida Fosshagen, 1985
** Class Thecostraca Gruvel, 1905
*** Subclass Ascothoracida Lacaze-Duthiers, 1880
**** Order Dendrogastrida Grygier, 1987
**** Order Laurida Grygier, 1987