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The taxonomic genus that is designated as representative of the family to which it belongs.
Biol. the genus that is formally held to be typical of the family or other higher group to which it belongs.
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|Noun||1.||type genus - (biology) genus from which the name of a family or subfamily is formed; it is not necessarily the most representative genus but often the largest or best known or earliest described|
genus - (biology) taxonomic group containing one or more species