Cancroidea

Cancroidea is a superfamily of crabs, comprising the families Atelecyclidae and Cancridae, and tentatively †Montezumellidae.^[1] Four other families have been separated into new superfamilies: Cheiragonidae into Cheiragonoidea, Corystidae into Corystoidea, and both Pirimelidae and Thiidae into Portunoidea.^[2]

References

↑ Ossó, À.; Domínguez, J.L. (2013). "A proposal for a new family: Montezumellidae (Crustacea,Decapoda, Brachyura) and description of new genus and species Moianella cervantesi from the Priabonian (late Eocene) of Catalonia (NE of Iberian Peninsula)". Boletín de la Sociedad Geológica mexicana. 65 (2): 285–298. http://boletinsgm.igeolcu.unam.mx/bsgm/vols/epoca04/6502/%2810%29Osso.pdf
↑ Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109.

Superfamilies of Infraclass Brachyura (true crabs)

Heterotremata	Aethroidea Bellioidea Bythograeoidea Calappoidea Cancroidea Carpilioidea Cheiragonoidea Componocancroidea† Corystoidea Dairoidea Dorippoidea Eriphioidea Gecarcinucoidea Goneplacoidea Hexapodoidea Leucosioidea Majoidea Orithyioidea Palicoidea Parthenopoidea Pilumnoidea Portunoidea Potamoidea Pseudothelphusoidea Pseudozioidea Retroplumoidea Trapezioidea Trichodactyloidea Xanthoidea

Thoracotremata	Cryptochiroidea Grapsoidea Ocypodoidea Pinnotheroidea

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