Majoidea

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Cladus: Pancrustacea
Superclassis: Multicrustacea
Classis: Malacostraca
Subclassis: Eumalacostraca
Superordo: Eucarida
Ordo: Decapoda
Subordo: Pleocyemata
Infraordo: Brachyura
Sectio: Eubrachyura
Subsectio: Heterotremata
Superfamilia: Majoidea
Familiae (7): Epialtidae - ?Hymenosomatidae - Inachidae - Inachoididae - Majidae - Oregoniidae - †Priscinachidae
Genera incertae sedis: Paranaxia –

Majoidea Samouelle, 1819

• Hosie, A.M. & Hara, A. 2016. Description of a new species of brooding spider crab in the genus Paranaxia Rathbun, 1924 (Brachyura: Majoidea), from northern Australia and Indonesia. Full article (PDF) Zootaxa 4127(1): 121–134. DOI: 10.11646/zootaxa.4127.1.6. Reference page. 
• Naderloo, R. 2015: A new species of decorator crabs, genus Menaethiops Alcock, 1895 (Crustacea: Decapoda: Brachyura: Majoidea: Epialthidae), from Abu-Musa Island, Persian Gulf, Iran. Zootaxa 3925(3): 431–437. DOI: 10.11646/zootaxa.3925.3.7. Reference page.