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: Portunoidea
Familia: Portunidae
Subfamilia: Polybiinae
Genus: †Megokkos
Species: M. alaskensis – M. hexagonalis – M. macrospinus
Name
Megokkos Schweitzer & Feldmann 2000
References
Schweitzer, C. E. & Feldmann, R. M. (2000) "New fossil portunids from Washington, USA, and Argentina, and a re-evaluation of the generic and family relationships within the Portunoidea Rafinesque, 1815 (Decapoda: Brachyura)". Journal of Paleontology 74(4):636–653.
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