Animalia

• Arthropoda

  Jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes.

• Nematoda

  Unsegmented worms: roundworms; threadworms; eelworms.

• Chordata

  Comprises true vertebrates and animals having a notochord.

• Mollusca

  Gastropods; bivalves; cephalopods; chitons.

• Echinodermata

  Radially symmetrical marine invertebrates including e.g. starfish and sea urchins...

• Ctenophora

  Comb jellies; sea acorns; a small phylum formerly considered a class of Coelenterata.

• Platyhelminthes

  Flatworms.

• Annelida

  Segmented worms: earthworms; lugworms; leeches.

• Chaetognatha

  Arrowworms: a group of small active transparent marine worms.

• Bryozoa

  Marine or freshwater animals that form colonies of zooids.

• Acanthocephala

  Phylum or class of elongated wormlike parasites that live in the intestines of vertebrates:...

• Nemertea

  Proboscis worms.

• Pogonophora

  Beard worms.

• Rotifera

  A phylum including: rotifers.

• Phoronida

  Small phylum of wormlike marine animals.

• Cycliophora

  Tiny marine organisms each the size of a period found in great numbers on lobsters'...

• Brachiopoda

  Marine invertebrates that resemble mollusks.

• Sipuncula

  Peanut worms.

Chordata

• Vertebrata

  Fishes; amphibians; reptiles; birds; mammals.

• Urochordata

  Tunicates.

• Cephalochordata

  Lancelets.

Bryozoa

• Ectoprocta

  Coextensive with or a subphylum of Bryozoa.

• Entoprocta

  Sometimes considered a subphylum of Bryozoa.

Biology

• class

  (biology) a taxonomic group containing one or more orders.

• subphylum

  (biology) a taxonomic group ranking between a phylum and a class.

Protoctista

• Protozoa

  In some classifications considered a superphylum or a subkingdom; comprises flagellates;...

• Cryptophyta

  A phylum in the kingdom Protoctista.

Also contains

• division

  (botany) taxonomic unit of plants corresponding to a phylum.

• Cnidaria

  Hydras; polyps; jellyfishes; sea anemones; corals.

• Porifera

  Coextensive with the subkingdom Parazoa: sponges.

• Pentastomida

  Tongue worms.

• Pyrrophyta

  A division of lower plants comprising unicellular and biflagellate algae that form starchy...