Noun | 1. | phylum - (linguistics) a large group of languages that are historically related linguistics - the scientific study of language social group - people sharing some social relation |
2. | phylum - (biology) the major taxonomic group of animals and plants; contains classes 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 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 Ectoprocta, phylum Ectoprocta - coextensive with or 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 biological science, biology - the science that studies living organisms kingdom - the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia subphylum - (biology) a taxonomic group ranking between a phylum and a class class - (biology) a taxonomic group containing one or more orders division - (botany) taxonomic unit of plants corresponding to a phylum |