Click on the image which your specimen most closely resembles.
Families:
Moinidae, Macrothricidae, Ilyocryptidae
Family:
Daphniidae
Antennules
large and conspicuous
Antennules small and are not prominent
Taxonomy
Phylum
Arthropoda
Subphylum
Crustacea
Class
Branchiopoda
Suborder
Cladocera