WAnaspidacea
WAnomopoda
WAnostraca
WAsellidae
WAtya
WBathynellacea
WChirocephalus marchesonii
WCladocera
WClibanarius fonticola
WCrayfish
WCyclops (genus)
WCyclops bicuspidatus
WDaphnia
WDaphnia galeata
WDaphnia pulicaria
WEphippia
WEpilobocera sinuatifrons
WFreshwater crab
WCallichirus kraussi
WMacrobrachium
WNotostraca
WPhreatoicidea