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Encyclopedia > Class (biology)

A class is the rank in the scientific classification of organisms in biology below Phylum and above Order. Image File history File links No higher resolution available. ... Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... This article needs additional references or sources for verification. ... In biological taxonomy, a phylum (Greek plural: phyla) is a taxon in the rank below kingdom and above class. ... In scientific classification used in biology, the order (Latin: ordo, plural ordines) is a rank between class and family (termed a taxon at that rank). ...

For example, Mammalia is the class used in the classification of dogs, whose phylum is Chordata (animals with notochords) and order is Carnivora (mammals that eat meat). Orders Subclass Monotremata Monotremata Subclass Marsupialia Didelphimorphia Paucituberculata Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Subclass Placentalia Xenarthra Dermoptera Desmostylia Scandentia Primates Rodentia Lagomorpha Insectivora Chiroptera Pholidota Carnivora Perissodactyla Artiodactyla Cetacea Afrosoricida Macroscelidea Tubulidentata Hyracoidea Proboscidea Sirenia The mammals are the class of vertebrate animals primarily characterized by the presence of mammary... Trinomial name Canis lupus familiaris The dog (Canis lupus familiaris) is a domestic subspecies of the wolf, a mammal of the Canidae family of the order Carnivora. ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... The notochord is a flexible, rod-shaped body found in embryos of all chordates. ... Families 17, See classification The diverse order Carnivora (IPA: or ; from Latin carō (stem carn-) flesh, + vorāre to devour) includes over 260 species of placental mammals. ...

History of the concept

The class as a distinct of biological classification having its own distinctive name (and not just called a higher genus (genus summum)) was first introduced by a French botanist Joseph Pitton de Tournefort in his classification of plants (appeared in his 1694 Eléments de botanique). Carolus Linnaeus was the first to apply it consistently to the division of all three kingdoms of Nature (minerals, plants, and animals) in his Systema Naturae (1735, 1st. Ed.). Since then class had been considered the highest level of the taxonomic hierarchy until the embranchements, now called phyla, and divisions were introduced in the nineteenth century. Botany is the scientific study of plant life. ... Joseph Pitton de Tournefort (June 5, 1656 – December 28, 1708) was a French botanist. ... Carl Linnaeus, Latinized as Carolus Linnaeus, also known after his ennoblement as  , (May 23, 1707[1] – January 10, 1778), was a Swedish botanist, physician and zoologist[2] who laid the foundations for the modern scheme of nomenclature. ... Ernst Haeckels presentation of a three-kingdom system (Plantae, Protista, Animalia) in his 1866 Generelle Morphologie der Organismen). ... Minerals are natural compounds formed through geological processes. ... u fuck in ua ... The word Animals when used alone has several possible meanings in the English language. ... Cover of the tenth edition of Linnaeuss Systema Naturae (1758). ... Events April 16 - The London premiere of Alcina by George Frideric Handel, his first the first Italian opera for the Royal Opera House at Covent Garden. ... In biological taxonomy, a phylum (Greek plural: phyla) is a taxon in the rank below kingdom and above class. ... In biology, the equivalent of a phylum in the plant or the fungal kingdom is called a division. ...

See also

Taxonomic ranks
v  d  e
Domain or Magnorder
Superkingdom Superphylum/Superdivision Superclass Superorder Superfamily Superspecies
Kingdom Phylum/Division Class Order Family Tribe Genus Species
Subkingdom Subphylum Subclass Cohort Suborder Subfamily Subtribe Subgenus Subspecies
Branch Infraphylum Infraclass Legion Infraorder Alliance Infraspecies
Microphylum Parvclass Parvorder



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