Going on down the hierarchy are phylum, subphylum, class, subclass, order, family, genus, species. |
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The phylum Cnidaria comprises approximately 10,000 species of tentacle-bearing aquatic animals. |
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Technically an invertebrate, amphioxus is classified in subphylum Protochordata, phylum Chordata. |
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Phoronida is a second lophophorate phylum, comprising coelomate, vermiform animals living in chitinous tubes. |
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The marine Cycliophora is the most recently described phylum in the animal kingdom. |
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Nematodes make up the second most diverse animal phylum, second only to the arthropods. |
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In any case, there is molecular evidence to suggest that the Anthozoa are the earliest branch of the phylum Cnidaria. |
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Within a phylum, however, it may also be necessary to recognize some languages that have no close relatives and do not fall into families. |
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He developed the system whereby every known living creature is assigned to a kingdom, phylum, class, order, family, genus, and species. |
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In the animal kingdom there are many phyla, and the mammals come into a phylum called the chordates. |
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However, among the classes of phylum Porifera, it is difficult to distinguish evolutionary relationships. |
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In other schemes the phylum Arthropoda is retained and the major taxa are given subphylum or class status. |
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Another phylum, the Pogonophora, are also vermiform animals with a trochophore larva. |
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Here we describe trans-splicing in the freshwater planarian Schmidtea mediterranea, a free-living member of the phylum Platyhelminthes. |
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The Athabaskan language family is one of three families within the Na-Dene language phylum. |
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Sea cucumbers, invertebrate animals of the phylum Echinodermata, might hold out some hope for the afflicted. |
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Members of the phylum Cnidaria, these animals have capsule-shaped cells with a trapdoor-like lid, containing a stinging nematocyst. |
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Lobsters, crabs, prawns, bay bugs, freshwater and marine crayfish all belong to the phylum Arthropoda, the group which also contains insects. |
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To give the idea of a subphylum, the entire Vertebrata are in the Linnean arrangement a subphylum of the phylum Chordata. |
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Bryozoa is the only major phylum that does not have a fossil record in the Cambrian. |
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The Entoprocta is also a small phylum and the oldest fossil record is from the Upper Jurassic. |
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Ferns and fern allies are cryptogamous plants of the phylum Polypodiophyta. |
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Abalone belongs to the phylum Mollusca, a group which includes clams, scallops, sea slugs, octopuses, and squid. |
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The phylum Nematomorpha, is a group of invertebrates called horsehair or gordian worms. |
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Horsehair or gordian worms are unusual invertebrates in the phylum Nematomorpha. |
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They are members of the phylum Annelida, the group that includes segmented worms such as leeches, tube worms, and the familiar earthworm. |
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It is the life cycle consisting of an asexual and a sexual generation of the cycliophorans that makes the phylum unique. |
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More complex thalloid compressions may display morphologies that are localized within a given phylum but convergent among phyla. |
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The other diploblastic phylum, the Ctenophora, surprisingly, has not been reported to have septate junctions. |
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Plasmodiophoromycota, phylum of plant parasites in the kingdom Chromista commonly referred to as endoparasitic slime molds. |
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Molecular and ultrastructural studies are rapidly altering traditional views of evolutionary relationships in this phylum. |
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The crustaceans are a class of the phylum Arthropoda, a large and important phylum that includes animals with a segmented body, hard exoskeleton, and many jointed legs. |
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Hydroids, jellyfishes, sea anemones, and corals of the phylum Coelenterata, or Cnidaria, reproduce by a variety of mechanisms. |
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Jellyfish belong to the Cnidarian phylum, which also includes corals, sea anemones, and hydrozoans. |
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I'm animal, my phylum is chordata, my subphylum is vertebrate, my class is mammals, sublass theria, infraclass eutheria, within that I'm a primate, and within that I'm human. |
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Ctenophore, byname Comb Jelly, any of the numerous marine invertebrates constituting the phylum Ctenophora. |
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These aren't just distinct species but distinct phyla, categories so large that man and bat occupy not only the same phylum but the same subphylum. |
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Comb jellies, or ctenophores, superficially resemble jellyfish but are biologically quite different and belong to a different phylum. |
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Histogram of the number of taxa in each phylum for the megafauna of the Clarion-Clipperton fracture zone. |
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The phylum Echinodermata comprises the starfishes, sea urchins, and their relatives. |
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The phylum Nematomorpha, consists of a group of invertebrates, commonly called horsehair or gordian worms, that has no close relationships with any other living organisms. |
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Spiny-headed worm, also called acanthocephalan, any animal of the invertebrate phylum Acanthocephala. |
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So, previously taxonomic orphans, stromatoporoids have finally found a home in this new subclass of the phylum Porifera. |
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Only cnidarians manufacture microscopic intracellular stinging capsules, known as nematocysts or cnidae, which give the phylum its name. |
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The sampled surface areas, the edaphic situation, currents, biotic variables and values for primary production all influence greatly the expression of diversity of this phylum, as will be discussed below. |
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Some palaeontologists think them members of a phylum that is now extinct. |
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The phylum Zoomorpha is on the march. In this section Zoobotics Facing the truth On your marks... ReprintsCecilia Laschi and her team at the Sant'Anna School of Advanced Studies in Pisa are a good example of this trend. |
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The phylum Cnidaria is predominant in the faunal composition of sites at longitudes from 135.8° W to 126°20 W between the Clarion and Clipperton fracture zone at the same depths as in the present study. |
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For a phylum with relatively few species, ctenophores have a wide range of body plans. |
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Chlorarachniophytes, which belong to the phylum Cercozoa, contain a small nucleomorph, which is a relict of the algae's nucleus. |
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Euglenids, which belong to the phylum Euglenozoa, live primarily in fresh water and have chloroplasts with only three membranes. |
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The Neocallimastigomycota were earlier placed in the phylum Chytridomycota. |
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Authors who suggest they deserve their own phylum do not comment on the position of this phylum in the tree of life. |
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Rotifer, also called wheel animalcule, any of the approximately 2,000 species of microscopic, aquatic invertebrates that constitute the phylum Rotifera. |
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Other large languages of the phylum are Western Apache, spoken in western Arizona, and the Chipewyan dialects of the Northwest Territories in Canada. |
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Live feeds, Artemia and Rotifer, consisted of the highest abundance of the phylum Proteobacteria. |
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Fungi in the phylum Chytridiomycota have a nearly global distribution and occupy roles as heterotrophs and saprobes in water and soil. |
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Each phylum with a fossil record had already evolved its characteristic body plan when it first appeared, so far as we can tell from the fossil remains, and no phylum is connected to any other via intermediate fossil types. |
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For example, although Omotic languages have glottalization, as do most Afro-Asiatic languages, they do not have the pharyngeal consonants that are common among the other members of that phylum. |
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The term polyp also is sometimes applied to an individual in a colony of invertebrate aquatic animals belonging to the phylum Bryozoa, although those individuals are usually called zooids. |
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This phylum includes animals such as corals, sea anemones and jellyfish. |
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I distinctly remember that after the term biology in terms of specifications we had a kingdom, then a phylum, a class, an order, a genus and a species. |
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The use of the terms kingdom, phylum, and species may be used, but it is not necessary to go into the full formal classification scheme for individual species. |
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Figure 49 shows the abundance of various taxa classified by phylum. |
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Vertebrates represent the overwhelming majority of the phylum Chordata, with currently about 66,000 species described. |
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A phylum is the highest level in the Linnaean system for classifying organisms. |
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A phylum is not a fundamental division of nature, such as the difference between electrons and protons. |
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The Nematoda or roundworms, are perhaps the second largest animal phylum, and are also invertebrates. |
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Sea urchins are members of the phylum Echinodermata, which also includes sea stars, sea cucumbers, brittle stars, and crinoids. |
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Even some scientists include the phylum ctenophora when they are referring to jellyfish. |
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This variety explains the wide range of body forms in a phylum with rather few species. |
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Symbiotic animals of the genus Symbion, the only member of the phylum Cycliophora, live exclusively on lobster gills and mouthparts. |
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The phylum is typically divided into 9 or 10 taxonomic classes, of which two are entirely extinct. |
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To make the onychophoran connection, Ramskold and Hou have stretched the boundaries of the phylum. |
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Onychophorans share these same features, leading Ramskold and Hou to group the new fossil with the existing phylum. |
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Unlike other members of this phylum the circulatory system is closed. |
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Early writers combined ctenophores with cnidarians into a single phylum called Coelenterata on account of morphological similarities between the two groups. |
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Each of these terms describes a valid taxon, phylum, subphylum or family. |
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Marine oomycotes are eukaryotic mycelial decomposers that have swimming, biflagellate propagules and lie in the Kingdom Chromista, phylum Oomycota. |
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Predominant phyla in average community compositions were Firmicutes, Actinobacteria and Bacteriodetes with no significant change in phylum level before and after intervention. |
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Molluscs have more varied forms than any other animal phylum. |
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But Shu and others contested that interpretation, arguing in the April 4 NATURE that Yunnanozoon was a hemichordate, a separate phylum that includes the modern acorn worm. |
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During the 20th century, Pythium insidiosum was the only fungus-like species from the phylum Oomycota known to cause life-threatening infections in mammals and birds. |
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In preliminary studies, Shu Degan of Xian Northwest University places Yunnanozoon in another phylum, the hemichordates, which includes the modern acorn worms. |
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The position of hagfish in the phylum Chordata is not settled. |
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The Phylum Cnidaria includes such diverse forms as jellyfish, hydra, sea anemones, and corals. |
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Most fungi of the Phylum Chytridiomycota break down vegetable matter in aquatic systems, but some are parasitic on diatoms or insects. |
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If collar cells and spicules are defining characteristics of the Phylum Porifera, then nematocysts define cnidarians. |
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Phylum Nemertea contains about 1,150 species of unsegmented worms that possess an eversible proboscis contained in a fluid-filled cavity or rhynchocoel. |
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Eyes appear in the bilaterally symmetrical animals in the protostome invertebrate branch, including the Phylum Arthropoda, Annelida, and Mollusca. |
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