is a specific kind of: biological group.

is a broader term that covers: Adapid, Adapid group | Omomyid, Omomyid group | kingdom | subkingdom | variety | phylum | subphylum | superphylum | class | subclass | superclass | order | suborder | superorder | family | superfamily | subfamily | tribe | genus | subgenus | monotype | species | race, subspecies | form, strain, var., variant | type | group Pteridospermae, group Pteridospermaphyta, Pteridospermae, Pteridospermaphyta | Centrospermae, group Centrospermae | Amentiferae, group Amentiferae | Phycomycetes, Phycomycetes group ... show more.