(Parvularculales) (Parvularculales) is a biological order of the phylum Proteobacteria and class Alphaproteobacteria.
Parvularculaceae
Caulobacterales
Kiloniellales
Kordiimonadales
Parvularculales
Rhizobiales
Rhodobacterales
Rhodospirillales
Rickettsiales
Sneathiellales
Sphingomonadales