phylum

(biology) the major taxonomic group of animals and plants; contains classes

• Pyrrophyta, phylum Pyrrophyta — a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds
• Protozoa, phylum Protozoa — in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers
• Cryptophyta, phylum Cryptophyta — a phylum in the kingdom Protoctista
• Chordata, phylum Chordata — comprises true vertebrates and animals having a notochord
• Cephalochordata, subphylum Cephalochordata — lancelets
• Urochordata, subphylum Urochordata, Urochorda, subphylum Urochorda, Tunicata, subphylum Tunicata — tunicates
• Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata — fishes; amphibians; reptiles; birds; mammals
• Arthropoda, phylum Arthropoda — jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
• Pentastomida, subphylum Pentastomida — tongue worms
• Porifera, phylum Porifera — coextensive with the subkingdom Parazoa: sponges
• Cnidaria, phylum Cnidaria, Coelenterata, phylum Coelenterata — hydras; polyps; jellyfishes; sea anemones; corals
• Ctenophora, phylum Ctenophora — comb jellies; sea acorns; a small phylum formerly considered a class of Coelenterata
• Acanthocephala, phylum Acanthocephala — phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms
• Chaetognatha, phylum Chaetognatha — arrowworms: a group of small active transparent marine worms
• Platyhelminthes, phylum Platyhelminthes — flatworms
• Nemertea, phylum Nemertea, Nemertina, phylum Nemertina — proboscis worms
• Pogonophora, phylum Pogonophora — beard worms
• Rotifera, phylum Rotifera — a phylum including: rotifers
• Nematoda, phylum Nematoda, Aschelminthes, phylum Aschelminthes — unsegmented worms: roundworms; threadworms; eelworms
• Annelida, phylum Annelida — segmented worms: earthworms; lugworms; leeches
• Mollusca, phylum Mollusca — gastropods; bivalves; cephalopods; chitons
• Phoronida, Phoronidea, phylum Phoronida — small phylum of wormlike marine animals
• Bryozoa, phylum Bryozoa, polyzoa — marine or freshwater animals that form colonies of zooids
• Ectoprocta, phylum Ectoprocta — coextensive with or a subphylum of Bryozoa
• Entoprocta, phylum Entoprocta, Endoprocta — sometimes considered a subphylum of Bryozoa
• Cycliophora, phylum Cycliophora — tiny marine organisms each the size of a period found in great numbers on lobsters' lips; identified tentatively in 1995 as a new phylum or as possible link between Entoprocta and Ectoprocta
• Brachiopoda, phylum Brachiopoda — marine invertebrates that resemble mollusks
• Sipuncula, phylum Sipuncula — peanut worms
• Echinodermata, phylum Echinodermata — radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
• division — (botany) taxonomic unit of plants corresponding to a phylum

• taxonomic group, taxon — animal or plant group having natural relations

• subphylum — (biology) a taxonomic group ranking between a phylum and a class
• class — (biology) a taxonomic group containing one or more orders

• kingdom — one of seven biological categories: Monera or Protoctista or Plantae or Fungi or Animalia