what is the classification within phylum?
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http://www.backyardnature.net/classify.htm\n\nthat will give you all of the answers.
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Taxonomy is:\n\nThe classification of organisms in an ordered system that indicates natural relationships. \nThe science, laws, or principles of classification; systematics. \nDivision into ordered groups or categories.\nAn orderly classification of plants and animals according to their presumed natural relationships :-)
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Um, mollusca is not a class...\n\nMollusca is a phylum, and bivalvia is a class under that phylum. \n\nThe major mollusk classes are Gastropoda (snails and slugs),  Bivalvia (clams, mussels, and shipworms), Cephalopoda (squid, octopuses, cuttlefish, and nautilus), Polyplacophora (chitons), Scaphopoda (tooth shells), Monoplacophora (a single-shelled animal), and the little-known Aplacophora (a questionable mollusk).\n\nBivalves have two shells, or valves, that are compressed on either side of the body. The shells are made from the excretions of the mantle as in gastropods, but are very different in shape and some functions.\nThe two shells enclose most of the body, and strong muscles inside the shell keep the two valves tightly closed. The shells open only to take in and release water or to allow the foot to extend into the sand.
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Humans are in the:\n\nDomain:  Eukarya\nKingdom: Animalia\nPhylum: Chordata\nSubphylum: Vertebrata\nClass: Mammalia\nOrder: Primate\nFamily: Hominidae\nGenus: Homo\nSpecies: Homo sapiens\nSubspecies:  Homo sapiens sapiens\n\nHumans are further broken down into races based on physical characteristics such as hair type and color, skin color, features, etc.
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Super class of jawless vertebrates--Agnatha\n\nIt is further classified into 2 classes--\n\n1)Ostracodermi---extinct\n2)Cyclostomata -- the circular mouthed fishes. eg. Myxine(Hagfish) & Petromyzon(Lamprey).
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These steps will separate most modern animal phyla.\n\nDeveloping:\nFrom a single cell to a multi-cellular body\nFrom radial to bilateral body symmetry\nFrom spiral to radial plane of cleavage in egg division\nFrom a blastopore that forms a mouth to a blastopore that forms the anus\nFrom an incomplete digestive track to complete\nFrom no coelom, to a pseudocoel, to a true coelom\nFrom a true coelom with 2 layers to one with 3 layers\nFrom a ventral nervous system to one that is dorsal\nComplicated organ systems: excretory, circulatory, respiratory\nFrom a non-segmented body to segmentation
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Here is a great website for that sort of research. It has a taxonomic chart with hyperlinks to information, pictures, sounds, and specimens. There are more than a dozen phylums of 'worms' represented with many photos to help with identification. \n\nhttp://animaldiversity.ummz.umich.edu/site/accounts/classification/Animalia.html
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There are a lot more than eleven.  Biology texts\noften give details about only the commonest, and\nthey may list ten or eleven of these.  A college\nbiology text will normally at least list all of them, and the\nnumber will very from one reference to another,\ndepending on whether some of them are split up\nor not.  Twentyseven phyla (the plural of phylum)\nhave been recognized by many books, more or\nfewer by others.
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Classification\n\n Phylum: Arthropoda\n Class: Insecta\n Order: Lepidoptera\n Family: Nymphalidae\n Genus: Limenitis
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Physical Science, Earth Science, and Life Science. I don't personally like this break down of the sciences, but I think it is what you are looking for. There are lots of different ways that you could classify the sciences.
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Use the Linnaeus System:\n\nKingdom Phylum Class Order Family Genus Species\n\nA way to remember it: Katie Put Clams On Fred's Giant Stomach. I learned it in HS Biology 30+ years ago and never have forgotten it.
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One website that I like is called Tree of Life\nhttp://tolweb.org/tree/phylogeny.html\n\nit is a realitively straight forward scheme that allows you to pick the picture of the goup and then to pick subdivisions below that to classify your organism down to the Class level.\n\nand many other resources can be found from:\nhttp://www.biology.ualberta.ca/courses.hp/zool250/links.htm\n\n\n\nTo distinguish a chordate it must have the following 4 traits embryologically:\n - a notocord\n - a dorsal hollow nerve cord\n - pharyngeal gill slits\n - post-anal tail\n\nTo be a vertebrate it must have:\n - spinal column or backbone\n\nWhere vertebrates are a subdivision of chordates.
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Below is the taxonomy used by zoologists to classify animals.  Hope that helps.
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Kingdom: Animalia\nPhylum: Arthropoda\nClass:         Insecta\nOrder:         Coleoptera\nSuborder: Polyphaga\nSuperfamily: Elateroidea\nFamily: Cantharidae \n\nis this ok?
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i can give u a correct description.\nclassification, in biology, the systematic categorization of organisms into a coherent scheme. The original purpose of biological classification, or systematics, was to organize the vast number of known plants and animals into categories that could be named, remembered, and discussed. Modern classification also attempts to show the evolutionary relationships among organisms (see the table entitled Examples of Systematic Classification). A system based on categories that show such relationships is called a natural system of classification; one based on categories assigned only for convenience (e.g., a classification of flowers by color) is an artificial system. \n\nModern classification is part of the broader science of taxonomy, the study of the relationships of organisms, which includes collection, preservation, and study of specimens, and analysis of data provided by various areas of biological research. Nomenclature is the assigning of names to organisms and to the categories in which they are classified.\n\nA modern branch of taxonomy, called numerical taxonomy, uses computers to compare very large numbers of traits without weighting any type of trait : in contrast to the traditional view that certain characteristics are more significant than others in showing relationships. For example, the structure of flower parts is considered more significant than the shape of the leaves in flowering plants because leaf shape appears to evolve much more quickly. Much of the science of taxonomy has been concerned with judging which traits are most significant. If new evidence reveals a better basis for subdividing a taxon than that previously used, the classification of the group in question may be revised. A considerable number of classification changes as well as insights in recent years have been the result of comparisons of nucleic acid (genetic material) sequences of organisms.\n\ndo u want to know what is binomial nomenclature?\nThe present system of binomial nomenclature identifies each species by a scientific name of two words, Latin in form and usually derived from Greek or Latin roots. The first name (capitalized) is the genus of the organism, the second (not capitalized) is its species. The scientific name of the white oak is Quercus alba, while red oak is Quercus rubra. The first name applies to all species of the genus : Quercus is the name of all oaks : but the entire binomial applies only to a single species. Many scientific names describe some characteristic of the organism (alba=white; rubra=red); many are derived from the name of the discoverer or the geographic location of the organism. Genus and species names are always italicized when printed; the names of other taxa (families, etc.) are not. When a species (or several species of the same genus) is mentioned repeatedly, the genus may be abbreviated after its first mention, as in Q. alba. Subspecies are indicated by a trinomial; for example, the southern bald eagle is Haliaeetus leucocephalus leucocephalus, as distinguished from the northern bald eagle, H. leucocephalus washingtoniensis.\n\nThe advantages of scientific over common names are that they are accepted by speakers of all languages, that each name applies only to one species, and that each species has only one name. This avoids the confusion that often arises from the use of a common name to designate different things in different places (for example, see elk), or from the existence of several common names for a single species. There are two international organizations for the determination of the rules of nomenclature and the recording of specific names, one for zoology and one for botany. According to the rules they have established, the first name to be published (from the work of Linnaeus on) is the correct name of any organism unless it is reclassified in such a way as to affect that name (for example, if it is moved from one genus to another). In such a case defin
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Kingdom: Animalia\nSubkingdom: Metazoa\nPhylum: Arthropoda\nSubphylum: Hexapoda\nClass: Insecta\nSubclass: Pterygota\nInfraclass: Neoptera\nSuperorder: Endopterygota\nOrder: Lepidoptera\nSuborder: Ditrysia\nSuperfamily: Noctuoidea\nFamily: Noctuidae\nLatreille, 1809
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Kingdom: Bacteria\nDivision: Cyanobacteria\nThe cyanobacteria were traditionally classified by morphology into five sections, referred to by the numerals I-V. The first three - Chroococcales, Pleurocapsales, and Oscillatoriales - are not supported by phylogenetic studies. However, the latter two - Nostocales and Stigonematales - are monophyletic, and make up the heterocystous cyanobacteria.\n\nMost taxa included in the phylum or division Cyanobacteria have not been validly published under the Bacteriological Code. Except:\n\n    * The classes Chroobacteria, Hormogoneae and Gloeobacteria\n    * The orders Chroococcales, Gloeobacterales, Nostocales, Oscillatoriales, Pleurocapsales and Stigonematales\n    * The families Prochloraceae and Prochlorotrichaceae\n    * The genera Halospirulina, Planktothricoides, Prochlorococcus, Prochloron, Prochlorothrix.