Holothyrida

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: Parasitiformes
Subordo: Holothyrida
Familiae (3): Allothyridae – Holothyridae – Neothyridae

Holothryida Thon, 1909

• Beaulieu, F., Dowling, A.P.G., Klompen, H., de Moraes, G.J. & Walter, D.E. 2011. Superorder Parasitiformes Reuter, 1909. Pp 123–128 In Zhang, Z.-Q. (ed.) 2011. Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness. Zootaxa 3148: 1–237. Open access. Reference page.  PDF. Reference page. 
• Lehtinen, P.T. 1995. Revision of the Old World Holothyridae (Arachnida: Anactinotrichida: Holothyrina). Invertebrate Taxonomy 9(4): 767–826. DOI: 10.1071/IT9950767