subclass : Idioms & Phrases

Index

subclass acnidosporidia

  • noun a subclass of Sporozoa
    Acnidosporidia.
WordNet

subclass actinopoda

  • noun heliozoans; radiolarians
    Actinopoda.
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subclass alismatidae

  • noun one of four subclasses or superorders of Monocotyledones; comprises about 500 species in 14 families of aquatic and semiaquatic herbs
    Alismatidae.
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subclass amphineura

  • noun a class of Gastropoda
    Amphineura.
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subclass anapsida

  • noun oldest known reptiles; turtles and extinct Permian forms
    Anapsida.
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subclass archaeornithes

  • noun primitive reptile-like fossil birds of the Jurassic or early Cretaceous
    Archaeornithes.
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subclass archosauria

  • noun a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
    Archosauria.
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subclass arecidae

  • noun one of four subclasses or superorder of Monocotyledones; comprises about 6400 species in 5 families of trees and shrubs and terrestrial herbs and a few free-floating aquatics including: Palmae; Araceae; Pandanaceae and Lemnaceae
    Arecidae.
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subclass asteridae

  • noun a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales; Solanaceae; Scrophulariaceae; Labiatae; Verbenaceae; Rubiaceae; Compositae; sometimes classified as a superorder
    Asteridae.
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subclass branchiopoda

  • noun primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas
    Branchiopoda.
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subclass caryophyllidae

  • noun a group of families of mostly flowers having basal or central placentation and trinucleate pollen (binucleate pollen is commoner in flowering plants); contains 14 families including: Caryophyllaceae (carnations and pinks); Aizoaceae; Amaranthaceae; Batidaceae; Chenopodiaceae; Cactaceae (order Opuntiales); Nyctaginaceae; Phytolaccaceae; corresponds approximately to order Caryophyllales; sometimes classified as a superorder
    Caryophyllidae.
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subclass cirripedia

  • noun barnacles
    Cirripedia.
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subclass cnidosporidia

  • noun single-host parasites of lower vertebrates and invertebrates
    Cnidosporidia.
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subclass commelinidae

  • noun one of four subclasses or superorders of Monocotyledones; comprises about 19,000 species in 25 families of mostly terrestrial herbs especially of moist places including: Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae
    Commelinidae.
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subclass copepoda

  • noun minute planktonic or parasitic crustaceans
    Copepoda.
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subclass crossopterygii

  • noun fishes having paired fins resembling limbs and regarded as ancestral to amphibians
    Crossopterygii.
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subclass diapsida

  • noun used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria
    Diapsida.
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subclass dibranchia

  • noun comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
    Dibranchia; Dibranchiata; subclass Dibranchia.
WordNet

subclass dibranchiata

  • noun comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
    Dibranchia; Dibranchiata; subclass Dibranchia.
WordNet

subclass dilleniidae

  • noun a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or gamopetalous corollas and often with ovules attached to the walls of the ovary; contains 69 families including Ericaceae and Cruciferae and Malvaceae; sometimes classified as a superorder
    Dilleniidae.
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subclass dipnoi

  • noun bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii
    Dipnoi.
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subclass discomycetes

  • noun a large and taxonomically difficult group of Ascomycetes in which the fleshy fruiting body is disklike or cup-shaped
    Discomycetes.
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subclass elasmobranchii

  • noun sharks; rays; dogfishes; skates
    Selachii; subclass Elasmobranchii; Elasmobranchii.
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subclass entomostraca

  • noun in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use
    Entomostraca.
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subclass euascomycetes

  • noun category not used in many classification systems
    Euascomycetes.
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subclass euryalida

  • noun basket stars
    Euryalida.
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subclass eutheria

  • noun all mammals except monotremes and marsupials
    Eutheria.
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subclass exopterygota

  • noun subclass of insects characterized by gradual and usually incomplete metamorphosis
    Hemimetabola; Exopterygota.
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subclass hamamelidae

  • noun a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder
    Hamamelidae.
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subclass heterobasidiomycetes

  • noun category used in some classification systems for various basidiomycetous fungi including rusts and smuts
    Heterobasidiomycetes.
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subclass holocephali

  • noun chimaeras and extinct forms
    Holocephali.
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subclass homobasidiomycetes

  • noun category used in some classification systems for various basidiomycetous fungi including e.g. mushrooms and puffballs which are usually placed in the classes Gasteromycetes and Hymenomycetes
    Homobasidiomycetes.
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subclass infusoria

  • noun in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter
    Infusoria.
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subclass lepidosauria

  • noun diapsid reptiles: lizards; snakes; tuataras
    Lepidosauria.
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subclass liliidae

  • noun one of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae; Alliaceae; Amaryllidaceae; Iridaceae; Orchidaceae; Trilliaceae
    Liliidae.
WordNet

subclass magnoliidae

  • noun a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder
    ranalian complex; Magnoliidae.
WordNet

subclass malacostraca

  • noun largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies
    Malacostraca.
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subclass metatheria

  • noun pouched animals
    Metatheria.
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subclass ophiurida

  • noun brittle stars
    Ophiurida.
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subclass opisthobranchia

  • noun gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares
    Opisthobranchia.
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subclass ostracoda

  • noun seed shrimps
    Ostracoda.
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subclass pantotheria

  • noun generalized extinct mammals widespread during the Jurassic; commonly conceded to be ancestral to marsupial and placental mammals
    Pantotheria.
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subclass phytomastigina

  • noun plantlike flagellates containing chlorophyll; often considered unicellular algae
    Phytomastigina.
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subclass prototheria

  • noun echidnas; platypus
    Prototheria.
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subclass rhizopoda

  • noun creeping protozoans: amoebas and foraminifers
    Rhizopoda.
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subclass rosidae

  • noun a group of trees and shrubs and herbs mostly with polypetalous flowers; contains 108 families including Rosaceae; Crassulaceae; Myrtaceae; Melastomaceae; Euphorbiaceae; Umbelliferae
    Rosidae.
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subclass selachii

  • noun sharks; rays; dogfishes; skates
    Selachii; subclass Elasmobranchii; Elasmobranchii.
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subclass synapsida

  • noun extinct reptiles of the Permian to Jurassic considered ancestral to mammals
    Synapsida.
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subclass teleostei

  • noun large diverse group of bony fishes; includes most living species
    Teleostei.
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subclass telosporidia

  • noun parasitic sporozoans that form spores containing one or more infective sporozoites
    Telosporidia.
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subclass zoomastigina

  • noun in some classifications considered a phylum of the kingdom Protista; holozoic or saprozoic flagellates
    Zoomastigina.
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