Allacanthos

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: Pseudothelphusoidea

Familia: Pseudothelphusidae
Subfamilia: Pseudothelphusinae
Genus: Allacanthos
Species: A. yawi
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Name

Allacanthos

References

Magalhães, C.; Lara, L.R.; Wehrtmann, I.S. 2010: A new species of freshwater crab of the genus Allacanthos Smalley, 1964 (Crustacea, Decapoda, Pseudothelphusidae) from southern Costa Rica, Central America. Zootaxa, 2604: 52–60. Preview

Allacanthos is a genus of crabs in the family Pseudothelphusidae
Species

Allacanthos pittieri (Rathbun, 1898)
Allacanthos yawi Magalhaes, Lara & Wehrtmann, 2010[1]

References

Magalhaes, C.; Lara, L. R. & Wehrtmann, I. S. (2010). "A new species of freshwater crab of the genus Allacanthos Smalley, 1964 (Crustacea, Decapoda, Pseudothelphusidae) from southern Costa Rica, Central America" (PDF). Zootaxa. 2604: 52–60.