Type genus

Type genus

In biology, the phrase "type genus" is used differently depending on the nomenclatural "Code" that applies:
* In zoological nomenclature, a type genus is "The nominal genus that is the name-bearing type of a nominal family-group taxon."
* In botanical nomenclature, the phrase "type genus" is used, unofficially, as a term of convenience. In the "ICBN" this phrase has no status. The names of all taxa in a rank higher than genus are based on a generic name (except in the case of a descriptive name). This generic name is "informally" called the type genus of that higher ranking taxon.:: Example: The sentence "Faba" is the type genus of the family "Fabaceae" is another way of saying that the family name "Fabaceae" is based on the generic name "Faba". Note that this should not be taken as an indication that there is an actual genus "Faba", or that there are species whose name starts with "Faba".


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  • type genus — n the genus of a taxonomic family or subfamily from which the name of the family or subfamily is formed …   Medical dictionary

  • type genus — n. Biol. the particular genus whose name serves as the base for the family name …   English World dictionary

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  • type genus — type′ ge nus n. bio Biol. the genus that is formally held to be typical of the family or other higher group to which it belongs • Etymology: 1830–40 …   From formal English to slang

  • type-genus — the nominal genus that is the type of a taxon in the family group …   Dictionary of ichthyology

  • type genus — noun Date: 1840 the genus of a taxonomic family or subfamily from which the name of the family or subfamily is formed …   New Collegiate Dictionary

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