In biological classification , a subfamily ( Latin : subfamilia , plural subfamiliae ) is an auxiliary (intermediate) taxonomic rank , next below family but more inclusive than genus . Standard nomenclature rules end botanical subfamily names with "-oideae", and zoological subfamily names with "-inae".
2-451: See text Ambleminae is a subfamily of freshwater mussel in the family Unionidae . They are found throughout much of eastern North America south to Central America , although fossils are also known from Siberia . Some species have also been introduced to East Asia . They are the most speciose radiation of the Unionidae, with more than 300 species. Fossils of this group date back to
4-584: The Late Cretaceous . The following classification is based on MolluscaBase and the MUSSEL Project database: Subfamily Detarioideae is an example of a botanical subfamily. Detarioideae is a subdivision of the family Fabaceae (legumes), containing 84 genera. Stevardiinae is an example of a zoological subfamily. Stevardiinae is a large subdivision of the family Characidae , a diverse clade of freshwater fish . This biology article
#42957