Type species: Quadrisphaera granulorum Maszenan et al. 2005
Valid publication: Maszenan AM, Tay JH, Schumann P, Jiang HL, Tay ST. Quadrisphaera granulorum gen. nov., sp. nov., a Gram-positive polyphosphate-accumulating coccus in tetrads or aggregates isolated from aerobic granules. Int J Syst Evol Microbiol 2005; 55:1771-1777.
Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2
Parent taxon: Kineosporiaceae Zhi et al. 2009
Assigned by: Zhi XY, Li WJ, Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. Int J Syst Evol Microbiol 2009; 59:589-608.