| SU | bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills |
|---|---|
| SU | a large and taxonomically difficult group of Ascomycetes in which the fleshy fruiting body is disklike or cup-shaped |
| SU | sharks |
| SU | in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia |
| SU | category not used in many classification systems |
| SU | basket stars |
| SU | all mammals except monotremes and marsupials |
| SU | subclass of insects characterized by gradual and usually incomplete metamorphosis |
| SU | a group of chiefly woody plants considered among the most primitive of angiosperms |
| SU | category used in some classification systems for various basidiomycetous fungi including rusts and smuts |
| SU | chimaeras and extinct forms |
| SU | category used in some classification systems for various basidiomycetous fungi including e.g. mushrooms and puffballs which are usually placed in the classes Gasteromycetes and Hymenomycetes |