Genus (/ˈdʒiːnəs/ pl.: genera /ˈdʒɛnərə/) is a taxonomic rank above species and below family as used in the biological classification of living and fossil...

HY-drə) is a genus of small freshwater hydrozoans of the phylum Cnidaria. They are native to the temperate and tropical regions. The genus was named by...

Aster is a genus of perennial flowering plants in the family Asteraceae. Its circumscription has been narrowed, and it now encompasses around 170 species...

Sorghum (/ˈsɔːrɡəm/) or broomcorn is a genus of about 25 species of flowering plants in the grass family (Poaceae). Sorghum bicolor is grown as a cereal...

Puma (/ˈpjuːmə/ or /ˈpuːmə/) is a genus in the family Felidae whose only extant species is the cougar (also known as the puma, mountain lion, and panther...

The genus Pan consists of two extant species: the chimpanzee and the bonobo. Taxonomically, these two ape species are collectively termed panins. The...

a genus of mammals in the family Equidae, which includes horses, asses, and zebras. Within the Equidae, Equus is the only recognized extant genus, comprising...

Sus (/ˈsuːs/) is the genus of wild and domestic pigs, within the even-toed ungulate family Suidae. Sus include domestic pigs (Sus domesticus) and their...

Glis is a genus of rodent that contains two extant species, both known as edible dormice or fat dormice: the European edible dormouse (Glis glis) and...

In mathematics, genus (pl.: genera) has a few different, but closely related, meanings. Intuitively, the genus is the number of "holes" of a surface. A...