Cnidaria
Phylum of hydra
Hydrozoa
Class of hydra
Hydra
Entoprocta
Phylum of bryozoans
Bryozoans
Tardigrada
Phylum of water bears
Water bears
Mollusca
Phylum of mussels and snails
Bivalvia
Class of mussels
Gastropoda
Class of snails
Pulmonata
Subclass of gastropoda, snails with lungs
Physidae
Family of left-handed snails
Planorbidae
Family of rams horn snails
Helisoma
Genus of rams horn snails
Ancylidae
Family of limpets
Ferrissa kirklandi
Limpets
Annelida
Phylum of leeches
Hirudinea
Class of leeches
Arthropoda
Phylum of insects, cepepods, shrimp, scuds, arachnids, etc.
Hexapoda
Class of insects
Chelicerata
Subphylum of water mites
Arachnida
Class of water mites
Hydrachnida
Superfamily of water mites
Water mites
Crustacea
Subphylum of cladocerns, shrimp, copepods, crayfish, scuds
Branchiopoda
Class of daphnia, bosmina, clam shrimp, fairy shrimp, and tadpole shrimp
Anomopoda
Order of cladocerns (daphnia and bosmina)
Daphniidae
Family of daphnia
Daphnia
Bosmina
Laevicaudata
Order of clam shrimp
Lynceidae
Family of clam shrimp
Clam shrimp
Anostraca
Order of fairy shrimp
Streptocephalidae
Family of fairy shrimp
Notostraca
Order of tadpole shrimp
Triopsidae
Family of tadpole shrimp
Tadpole shrimp
Maxillopoda
Class of copepods
Cyclopodia
(order)
Calanoida
Order of nauplii
Ostracoda
Class of seed shrimp
Seed shrimp
Malacostraca
Class of sowbugs, scuds, crayfish, and freshwater shrimp
Isopoda
Order of sowbugs
Ascellidae
Family of sowbugs
Sowbugs
Amphipoda
Order of scuds
Hyalellidae
Family of scuds
Hyalella
Scuds
Decapoda
Order of crayfish and freshwater shrimp
Cambaridae
Family of crayfish
Crayfish
Palaemonidae
Family of freshwater shrimp
Freshwater shrimp
Prosobranchia
Subclass of gilled snails
Pleuroceridae
Family of pyramid elimia
Hydrobiidae
Family of right-handed snails
Oligochaeta
Family of earthworms
Bosminidae
Family of bosmina