NOMEN: Eumalacostraca Grobben 1893: 469 [C. Grobben. A contribution to the knowledge of the genealogy and classification of the Crustacea. Annals & Mag. Nat. Hist., 1893, ser.6, vol.11: 440-473]
ORIGINAL LISTED MEMBERSHIP (Grobben 1893):
Stomatopoda + Thoracostraca + Arthrostraca 
JUNIOR CIRCUMSCRIPTIONAL SYNONYM:
= Eumalacostracia Pearce 1936
TYPIFIED NAME IN BASIC FORMAT: Cancer/fg (sine Nebalia; incl. Oniscus, Squilla)
TYPIFIED NAMES IN USE:
MODERN
STATUS: 
the valid, the
oldest name of a generally accepted, holophyletic taxon.