| In other schemes the phylum Arthropoda is retained and the major taxa are given subphylum or class status. |
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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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| Going on down the hierarchy are phylum, subphylum, class, subclass, order, family, genus, species. |
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| Now a team of paleontologists has found a fossilized arthropod they're betting is an early member of the subphylum Crustacea. |
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| Technically an invertebrate, amphioxus is classified in subphylum Protochordata, phylum Chordata. |
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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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| 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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| In particular, there is a significant phylogenetic gap in information for the urochordates, a subphylum near the invertebrate-vertebrate transition. |
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| Many invertebrate taxa have a greater number and variety of species than the entire subphylum of Vertebrata. |
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| Arthropod subphylum, because of their articulated legs. |
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| There is some preference for the classical theory because it provides the most satisfactory way of accounting for the similarities between chordates and hemichordates of the subphylum Enteropneusta. |
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| A barnacle is a type of arthropod belonging to infraclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters. |
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| Pylogenetic analysis of Butyrivibrio strains reveals three distinct groups of species within the Clostridium subphylum of gram-positive bacteria. |
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| Cnidosporidian, any protozoan parasite of the subphylum Cnidospora. |
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| The vertebrates are a subphylum of Animalia. |
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| In addition, many students have never learned about the subphylum Urochordata and are under the mistaken impression that all chordates have a back bone. |
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| Each of these terms describes a valid taxon, phylum, subphylum or family. |
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| This includes all animals apart from the subphylum Vertebrata. |
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| Phylum Arthropoda Subphylum Chelicerata Class Arachnida Arachnida indet. |
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