Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Chelicerata
Classis: Pycnogonida
Ordo: Pantopoda
Subordo: Eupantopodida
Superfamilia: Ascorhynchoidea
Familia: Ammotheidae
Genus: Acheliana
Species: A. tropicalis
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