TAXONOMIC SUMMARY- 



Kingdom Aninialia (L. ammalts, animate) — animals 

 Subkingdom Mesozoa (Gr. mcTOi, middle + zoon, animal) — mesozoans 



Phylum Mesozoa (Gr. mesos + zoon) — mesozoans 

 Subkingdom Parazoa (Gr./7flra, beside + zoon) — parazoans 

 Phylum Porifera {h.porus, passage + fen, to bear) — sponges 

 Class Calcarea (L. calcarius, pertaining to lime) — calcareous sponges 

 Class Hexactinellida (Gr. hex, six + aklinos, rayed + ella, diminutive ending) — glass 



sponges 

 Class Demospongia (Gr. demas, frame + spongos, sponge) — frame sponge 

 Subkingdom Eumetazoa (Gr. eii-, true + meta, among + zoon) — eumetazoans 

 Grade Radiata (L. radiatus, rayed) 

 Phylum Coelenterata (Gr. koilos, hollow + enteron, gut) — coelenterates 

 Class Hydrozoa (Gr. hydra, mythical water serpent + zoon) — hydrozoans 

 Order Hydroidea (Gr. hydra + -oideos, type or form oO — hydroids 

 Order Hydrocoralina (Gr. Ai'rfra + korallwn, cora\ + L. -ma, like) — hydrocorals 

 Order Trachylina (Gr. /racAjj-, rough + h. -ina) — hydromedusae 

 Order Siphonophora (Gr. siphon, siphon + phoros, bearing) — siphonophores 

 Class Scyphozoa (Gr. skyphos, cup + zoon) — jellyfishes 

 Order Stauromedusae (Gr. stauros, a cross + medousa, mythical monster) — sessile jelly- 

 fishes 

 Order Cubomedusae (Gr, ^)'6oj^, a cube + medousa) — ^jellyfishes 

 Order Coronatae (L. corona, a crown + medousa) — jellyfishes 

 Order Discomedusae (Gr. diskos, a disc + medousa) — jellyfishes 

 Class Anthozoa (Gr. anthos, flower + zoon) — sea anemones and corals 

 Subclass Alcyonaria (Gr. alkyon, the kingfisher + L. -ana, like) — false corals 

 Order Stolonifera (L. stoloms, a shoot or branch + fero, to bear) — stolon corals 

 Order Telestacea (Gr. telestes, a poet) — false stolon corals 

 Order Alcyonacea (Gr. alkyon) — soft corals 

 Order Gorgonacea {\^.gorgo, mythical monster) — horny corals 

 Order Pennatulacea (L. pennatulus, winged) — sea pens and allies 

 Subclass Zoantharia (Gr.^oon + anthos + L. -aria) — sea anemones and corals 

 Order Actinaria (Gr. aktinos, rayed + L. -ana) — sea anemones 

 Order Madreporaria (NL. madre, mother + -pora, pore + L. -ana) — stony corals 

 Order Zoanthidea (Gr. zoon + anthos) — false sea anemones 

 Order Ceriantharia (Gr. ^CT-of, horn + anthos + h. -ana) — tube anemones 

 Phylum Ctenophora (Gr. ktenos, comb + phoros, bearing) — comb jellies 

 Grade Bilateria (L. bi-, two + lateralis, side) 

 Acoelomata (Gr. a-, without + koilos, hollow) 

 Phylum Platyhelminthes [Gr.platy, flat + helmmthes, worms) — flat worms 

 Class Turbellaria (L. turbella, a disturbance + -ana) — free-living flatworms 

 Class Trematoda (Gr. trematodes, with holes) — flukes 

 Class Cestoda (Gr. kestos, girdle) — tapeworms 

 Phylum Nemertea (Gr. nemerles, mythology, a nereid) — ribbon worms 

 Pseudocoelomata (Gr. /)iciW«, false -|- koilos. hoWow) 

 Phylum Acanthocephala (Gr. acanthos, spine -|- kephale, head) — spiny-headed worms 

 Phylum Aschelminthes (Gr. askos, cavity -{■ helmmthes) — cavity worms 

 Class Rotatoria (L. rota, wheel) — rotifers or wheel animalcules 

 Class Nematomorpha (Gr. ;zCT7!a, thread + morphe, shape) — horsehair worms 

 Class Nematoda (Gr. nerrm, thread) — roundworms 



Class Gastrotricha {h.gaster, stomach + Inchos, hair) — fork-tailed worms 

 Class Kinorhyncha (Gr. kineo, to move + rhynchos, snout) — spiny-crowned worms 

 Class Priapuloidea (Gr. pnap, phallus + -oideos, type or form of) — club worms 

 Phylum Entoprocta (Gr. entos, inside + proktos, anus) — entoprocts or moss animals 



