NOMEN: Gigantostraca Haeckel 1866: XC [E. Haeckel. Generale Morphologie der Organismen. – Berlin, Verlag von Georg Reimer, 1866, Bd.2]
ORIGINAL LISTED MEMBERSHIP (Haeckel
1866): Pterygotiden
+ Eurypteriden
JUNIOR
CIRCUMSCRIPTIONAL SYNONYMS:
= Pomatostoma
Thorell
& Lindsrtrom 1885
= Haplochelata Börner 1902
= Merostomea Butschli 1910
TYPIFIED NAME IN BASIC FORMAT: Eurypterus/fg
TYPIFIED NAMES IN USE: Eurypteridae, Eurypteroidea, Eurypterida, Eurypterina, Euryptera
MODERN
STATUS: 
the valid, the
oldest name of a generally accepted, extinct taxon.