NOMEN: Diplostraca Gerstaecker 1866 [A. Gerstaecker. Crustacea (Erste Halfe). In: H.G. Bronn. Die Klassen und Ordungen der Thier-Reichs. Bd.5 (Arthropoda). Abt.1. 1866: 1-1320, Taf.1-49]
ORIGINAL LISTED MEMBERSHIP (Gerstaecker 1866):
Podontidae +
Polyphemidae +
Leptodoridae +
"Lynceidae" 
Lynceus=
Chydorus +
Daphniidae +
Sididae +
Limnetidae +
Limnadiidae 
JUNIOR CIRCUMSCRIPTIONAL SYNONYM:
?= Onychura Eriksson 1934
TYPIFIED NAME IN BASIC FORMAT: Daphnia/f=Lynceus/g (incl. Limnadia, Polyphemus)
TYPIFIED NAMES IN USE:
MODERN
STATUS: 
the valid, the
oldest name of a widely accepted taxon.