Superregnum: Eukaryota
Cladus: Orthokaryota
Cladus: Neokaryota
Cladus: Scotokaryota
Cladus: Podiata
Cladus: Amorphea
Cladus: Obazoa
Cladus: Opisthokonta
Cladus: Holozoa
Cladus: Filozoa
Cladus: Choanozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
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
Genus: Achelous
Species:
Achelous acuminatus Stimpson, 1871
Achelous affinis Faxon, 1893
Achelous anceps (de Saussure, 1857)
Achelous angustus (Rathbun, 1898)
Achelous asper (A.Milne-Edwards, 1861)
Achelous binoculus (Holthuis, 1969)
Achelous brevimanus Faxon, 1895
Achelous depressifrons (Stimpson, 1859)
Achelous floridanus (Rathbun, 1930)
Achelous forceps (Fabricius, 1793)
Achelous gibbesii (Stimpson, 1859)
Achelous guaymasensis (Garth & Stephenson, 1966)
Achelous hastatus (Linnaeus, 1767)
Achelous inaequalis (Miers, 1881)
Achelous iridescens (Rathbun, 1894)
Achelous isolamargaritensis (Türkay, 1968)
Achelous minimus (Rathbun, 1898)
Achelous obtusus Milne Edwards, 1860
Achelous ordwayi Stimpson, 1860
Achelous panamensis Stimpson, 1871
Achelous rufiremus (Holthuis, 1959)
Achelous sebae (H.Milne Edwards, 1834)
Achelous spinicarpus Stimpson, 1871
Achelous spinimanus (Latreille, 1819)
Achelous stanfordi (Rathbun, 1902)
Achelous tuberculatus Stimpson, 1860
Achelous tumidulus Stimpson, 1871
Achelous ventralis (A.Milne-Edwards, 1879)
Achelous xantusii Stimpson, 1860
Achelous forceps
Achelous sebae
Achelous spinimanus
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