A taxonomic rank below family and above species, representing a group of closely related species that share recent common ancestry and similar characteristics. The genus forms the first part of an organism's scientific name in binomial nomenclature.
From Latin 'genus' meaning 'birth,' 'origin,' or 'kind,' used by Linnaeus as the foundation of his binomial naming system. The term emphasizes the shared origin and fundamental similarities among species within the group.
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