The original subfamilies within Hyacinthaceae became tribes of subfamily Scilloideae. Carpenter bees are species in the genus Xylocopa of the subfamily Xylocopinae. Smilodon is a genus of the extinct machairodont subfamily of the felids. Haworthia is a genus within the family Asphodelaceae, subfamily Asphodeloideae. Asparagus is a genus of flowering plants in the family Asparagaceae, subfamily Asparagoideae. Yucca is a genus of perennial shrubs and trees in the family Asparagaceae, subfamily Agavoideae. These genera are all classified in the subfamily Epiphelinae. "Petunia" is a genus in the family Solanaceae, subfamily Petunioideae. It is the sole genus of subfamily Phacochoerinae. "Buteo" is the type genus of the subfamily Buteoninae. Otters are carnivorous mammals in the subfamily Lutrinae. "Pinus" is the sole genus in the subfamily Pinoideae. For example, "infra"order (below suborder) or "infra"family (below subfamily). The bamboo rats are four species of rodents of the subfamily Rhizomyinae. The following is a list of the main ornamental legume species, listed by subfamily.