Hygrobatoidea

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Chelicerata
Classis: Arachnida
Subclassis: Acari
Superordo: Acariformes
Ordo: Trombidiformes
Subordo: Prostigmata
Cohort: Anystina
Hypordo: Parasitengona
Superfamilia: Hygrobatoidea
Familiae: Astacocrotonidae - Aturidae - Feltriidae - Ferradasiidae - Frontipodopsidae - Hygrobatidae - Lethaxonidae - Omartacaridae - Pionidae - Pontarachnidae - Unionicolidae - Wettinidae
References

Pešić, V., Piccoli, G.C.de O., Araújo, M.S. de & Rezende, J.M. 2015. A new genus of water mites (Acari, Hydrachnidia, Wettinidae) from bromeliad phytotelmata in the Brazilian Atlantic rainforest. Zookeys 516: 27–33. DOI: 10.3897/zookeys.516.10179 Full article Reference page.
Smith, I.M., Cook, D.R. & Gerecke, R. 2015: Revision of the status of some genus-level water mite taxa in the families Pionidae Thor, 1900, Aturidae Thor, 1900, and Nudomideopsidae Smith, 1990 (Acari: Hydrachnidiae). Zootaxa 3919(1): 111–145. DOI: 10.11646/zootaxa.3919.1.6. Reference page.

Hygrobatoidea is a superfamily of water mites found in North America.[1]
References

"Hygrobatoidea - Encyclopedia of Life".