phylum

1. (linguistics) a large group of languages that are historically related (synset 108120601)
   referred to in: linguistics - the scientific study of language
   is a type of: social group - people sharing some social relation
2. (biology) the major taxonomic group of animals and plants;
   Contains classes (synset 108119521)
   referred to in: biological science, biology - the science that studies living organisms
   is a type of: taxon, taxonomic category, taxonomic group - animal or plant group having natural relations
   subtypes:

   • phylum pyrrophyta, pyrrophyta - a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds
   • phylum protozoa, 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
   • subphylum tunicata, subphylum urochorda, subphylum urochordata, tunicata, urochorda, urochordata - tunicates
   • craniata, subphylum craniata, subphylum vertebrata, vertebrata - fishes; amphibians; reptiles; birds; mammals
   • arthropoda, phylum arthropoda - jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
   • pentastomida, subphylum pentastomida - tongue worms
   • phylum porifera, porifera - coextensive with the subkingdom Parazoa: sponges
   • cnidaria, coelenterata, phylum cnidaria, 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
   • phylum platyhelminthes, platyhelminthes - flatworms
   • nemertea, nemertina, phylum nemertea, phylum nemertina - proboscis worms
   • phylum pogonophora, pogonophora - beard worms
   • phylum rotifera, rotifera - a phylum including: rotifers
   • aschelminthes, nematoda, phylum aschelminthes, phylum nematoda - 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
   • endoprocta, entoprocta, phylum entoprocta - 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
   • phylum sipuncula, 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
   member holonym:

   • subphylum - (biology) a taxonomic group ranking between a phylum and a class
   • class - (biology) a taxonomic group containing one or more orders
   belongs to: kingdom - the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia

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