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The hierarchy of biological classification's eight major taxonomic ranks. A genus contains one or more species. Minor intermediate ranks are not shown. A species (pl.: species) is a population of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1]
Used for species that resemble previously named species. Examples: Paranthodon ("nearly flower tooth"); Pararhabdodon ("near fluted tooth"); Parasaurolophus ("near lizard crest")-pelta: Pronunciation: /pɛltə:/ Origin: Ancient Greek: πέλτη (péltē). Meaning: shield. Frequently used for ankylosaurs.
It is helpful to be able to understand the source of scientific names. Although the Latin names do not always correspond to the current English common names, they are often related, and if their meanings are understood, they are easier to recall. The binomial name often reflects limited knowledge or hearsay about a species at the time it was named.
species aggregate or aggregate species: a grouping of closely related species that are treated like a single species for practical purposes; alliance: a group of species or genera that have at some time been considered provisionally related; conspecific: of the same species; e. g. of two taxa previously thought to be different species
The science of classification, in biology the arrangement of organisms into a classification [4] "The science of classification as applied to living organisms, including the study of means of formation of species, etc." [5] "The analysis of an organism's characteristics for the purpose of classification" [6]
Binomial nomenclature for species has the effect that when a species is moved from one genus to another, sometimes the specific name or epithet must be changed as well. This may happen because the specific name is already used in the new genus, or to agree in gender with the new genus if the specific epithet is an adjective modifying the genus ...
The hierarchy of biological classification's eight major taxonomic ranks.A phylum contains one or more classes. Intermediate minor rankings are not shown. In biological classification, class (Latin: classis) is a taxonomic rank, as well as a taxonomic unit, a taxon, in that rank.
Zoology is the branch of science dealing with animals. A species can be defined as the largest group of organisms in which any two individuals of the appropriate sex can produce fertile offspring; about 1.5 million species of animal have been described and it has been estimated that as many as 8 million animal species may exist. [21]