The type species of this genus has alternatively been placed in the genus "Candidatus Ishikawaella" Hosokawa et al. 2006.Publication:
Hosokawa T, Kikuchi Y, Nikoh N, Shimada M, Fukatsu T. Strict host-symbiont cospeciation and reductive genome evolution in insect gut bacteria. PLoS Biol 2006; 4:e337.
Number of child taxa with a validly published and correct name: 0 Number of child taxa with a validly published name, including synonyms: 0 Total number of child taxa: 1