INVERTEBRATE ZOOLOGY - G. I. Shcherbak - 2008
SUBCLASS PROTOSTELEANS (PROTOSTEUA)
SUBCLASS DICTYOSTELIIDS (DICTYOSTELIA)
SUBCLASS MYXOGASTRIDS (MYXOGASTRIA)
CLASS ACANTHARIANS (ACANTHAREA)
CLASS POLYCYSTINES (POLYCYSTINEA)
CLASS PHAEODARIANS (PHAEODAREA)
PHYLUM FORAMINIFERANS (FORAMINIFERA)
PHYLUM DINOFLAGELLATES (DINOPHYTA)
CLASS DINOFLAGELLATES (DINOFLAGELLATA)
PHYLUM CILIATES, or INFUSORIANS (CILIOPHORA)
CLASS KINETOFRAGMINOPHOREANS (KINETOFRAGMINOPHOREA)
CLASS OLIGOHYMENOPHOREANS (OLIGOHYMENOPHOREA)
CLASS POLYHYMENOPHOREANS (POLYHYMENOPHOREA)
PHYLUM APICOMPLEXANS (APICOMPLEXA)
CLASS BLOOD SPORIDIANS (HAEMATOZOEA)
MICROSPORIDIANS
PHYLUM MICROSPORIDIANS (MICROSPORIDIA)
CLASS MICROSPORIDIANS (MICROSPOREА)
MYXOSPORIDIANS
PHYLUM MYXOSPORIDIANS (MYXOZOA)
DIVISION DIPLOBLASTICA, OR RADIATA
PHYLUM CNIDARIA, OR COELENTERATA
DIVISION TRIPLOBLASTICA, OR BILATERIA
PHYLUM FLATWORMS (PLATHELMINTHES)
SUBPHYLUM TURBELLARIANS (TURBELLARIA), or ARCHIDERMATA
CLASS ACOELOMATE TURBELLARIANS (ACOELOMORPHA)
CLASS MONOGENEEANS (MONOGENEA)
PHYLUM SPINY-HEADED WORMS (ACANTHOCEPHALA)
PHYLUM ENTOPROCTS (ENTOPROCTA, or KAMPTOZOA)
CLASS AFRENULATA (OR VESTIMENTIFERA)
CLASS POLYPLACOPHORA (LORICATA)
CLASS TUSK SHELLS (SCAPHOPODA)
CLASS MONOPLACOPHORANS (MONOPLACOPHORA)
SUBCLASS PROSOBRANCHS (PROSOBRANCHIA)
SUBCLASS OPISTHOBRANCHS (OPISTHOBRANCHIA)
SUBCLASS PULMONATES (PULMONATA)
CLASS CEPHALOPODS (CEPHALOPODA)
SUBCLASS NAUTILOIDS (NAUTILOIDEA)
PHYLUM RIBBON WORMS (NEMERTINI)
SUBDIVISION ECDYSOZOANS (ECDYSOZOA)
CLASS CHROMADORIANS (CHROMADORIA)
PHYLUM HORSEHAIR WORMS (NEMATOMORPHA)
PHYLUM CEPHALORHYNCHS (CEPHALORHYNCHA)
CLASS LORICIFERANS (LORICIFERA)
CLASS MUD DRAGONS (KINORHYNCHA)
PHYLUM ARTHROPODS (ARTHROPODA)
SUBPHYLUM CHELICERATES (CHELICERATA)
SUPERCLASS MEROSTOMATS (MEROSTOMATA)
CLASS HORSESHOE CRABS (XIPHOSURA)
SUPERCLASS ARACHNIDS (ARACHNIDA)
CLASS PSEUDOSCORPIONS (PSEUDOSCORPIONES)
CLASS WIND SCORPIONS (SOLIFUGAE)
SUPERCLASS SEA SPIDERS (PANTOPODA)
CLASS SEA SPIDERS (PYCNOGONIDA)
SUBPHYLUM BRANCHIATA, OR CRUSTACEANS (CRUSTACEA)
CLASS BRANCHIOPODS (BRANCHIOPODA)
CLASS MAXILLOPODS (MAXILLOPODA)
SUBCLASS BRANCHIURA (BRANCHIURA)
SUBCLASS BARNACLES (CIRRIPEDIA)
CLASS TONGUE WORMS (PENTASTOMIDA OR LINGUATULIDA)
CLASS SEED SHRIMPS (OSTRACODA)
CLASS MALACOSTRACANS (MALACOSTRACA)
SUBPHYLUM TRACHEATES (TRACHEATA)
SUPERCLASS MYRIAPODS (MYRIAPODА)
SUPERCLASS HEXAPODS (HEXAPODA)
CLASS ENTOGNATHANS (ENTOGNATHA)
CLASS INSECTS (INSECTA), OR ECTOGNATHANS (ECTOGNATHA)
SUBCLASS APTERYGOTANS (APTERYGOTA), OR BRISTLETAILS (THYSANURA)
SUBCLASS WINGED INSECTS (PTERYGOTA)
PHYLUM ONYCHOPHORANS (ONYCHOPHORA)
CLASS PROTOWORM-TRACHEATES (PROTRАСІIEATА)
PHYLUM TARDIGRADES (TARDIGRADA)
CLASS TARDIGRADES (TARDIGRADA)
SUBDIVISION LOPHOPHORATES (LOPHOPHORATA, OR TENTACULATA)
CLASS PHYLACTOLAEMATES (PHYLACTOLAEMATA)
CLASS PHYLACTOLAEMATES (PHYLACTOLAEMATA)
PHYLUM BRACHIOPODS (BRACHIOPODA)
CLASS BRACHIOPODS (BRACHIOPODA)
SUBDIVISION ARROW WORMS (CHAETOGNATHA)
PHYLUM ARROW WORMS (CHAETOGNATHA)
CLASS SAGITTOIDS (SAGITTOIDEA)
SUBDIVISION DEUTEROSTOMES (DEUTEROSTOMIA)
PHYLUM HEMICHORDATES (HEMICHORDATA)
CLASS ENTEROPNEUSTS (ENTEROPNEUSTА)
CLASS PTEROBRANCHS (PTEROBRANCHIA)
PHYLUM ECHINODERMS (ECHINODERMATA)
CLASS HOLOTHURIANS, OR SEA CUCUMBERS (HOLOTHUROIDEA)
CLASS BRITTLE STARS OR SERPENT STARS (OPHIUROIDEA)
SUBCLASS REGULAR SEA URCHINS (REGULARIA)