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Extant taxon

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Extant taxon

Look up extant in , the free dictionary.

Extant is a term commonly used in biology to refer to taxa (singular, taxon), such as species, genera and families, that are still in existence, meaning still alive as opposed to extinct. For example, the moose is an extant species, while the dodo is an extinct species. Likewise, of the group of molluscs known as the cephalopods, as of 1987 there were approximately 600 extant species and 7,500 extinct species.[1]

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