Taxonomic Levels Required for ZO 150

NOTE: The terms "group" and "subgroup" below arenot considered major or official levels of classification, just usefulways to organize the animal kingdom phylogenetically. They arenot used for classification unless phylogenetic groupsare specifically called for.

The major levels of classification are:Domain,Kingdom, Phylum, Class, Order, Family, Genus, Species. Note theformat of each name carefully. Named, intermediate categories(subkingdom, subphylum, etc.)may also be tested.

kingdom Animalia subkingdom Eumetazoa symmetry group Bilateria embryonic subgroup Deuterostomia phylum Chordata subphylum Craniata skeletal groupVertebrata mouth development groupGnathostoma embryonic membrane groupAmniota skull groupSynapsida class Mammalia fetal development groupplacental (Eutheria) order Primates family Hominidae genus Homo species Homosapiens sapiens Linnaeus "sapiens" is thespecific epithet, NOTthe species name. The name of a species must include boththe genus name and the specific epithet. Our subspecific epithetis also sapiens.The fossil "Cro-Magnon people" were in our subspecies, as are allliving humans. Another subspeciesis the extinct H. sapiens neanderthalensis -"Neanderthal people." "Linnaeus" is the last nameof theperson who originally described and gave an official name to thespecies.In taxonomical and systematical publications, species names include thelast name(s) of the describing author(s) in a tabular list, or in thetextat the first place the species is mentioned. When species names arehand-written,they should be underlined to represent the italics, like this: Homo sapiens. Genus names, specificepithets andsubspecific epithets are italicized, but the author name is not. Other species of Hominidae: The only living speciesgenerally consideredto belong to the family Hominidae is H. sapiens. The Hominidae also includeseveralspecies of Australopithecus (all extinct) and several fossilspeciesand subspecies of our genus Homo, including H. habilis Leakeyand Leakeyand H. erectus (Dubois). Some zoologists haveproposed thatspecies of Pan (chimpanzees and bonobos) and Gorilla alsobe put into the family Hominidae, but retain their separate genusnames.


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Humans belong to which kingdom?


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A few scientists even maintain that chimpanzees and bonobosought to be members of the genus Homo,since they are so close to us genetically.

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