NOMEN: Metaxypleona Salmon 1964 [J. T. Salmon. An index to the Collembola. – Proc. Roy. Soc. N.Z., 1964, Bull.7, No.1/3: 1-651]
ORIGINAL LISTED MEMBERSHIP (Salmon 1964):
Poduridae +
Actaletidae 
TYPIFIED NAME IN BASIC FORMAT: Podura/fg (sine Sminthurus, Orchesella, Hypogastrura, Anurida; incl. Actaletes)
TYPIFIED NAMES IN USE:
MODERN
STATUS: 
the valid, the
oldest name of a generally accepted, holophyletic taxon.