Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Kingdom: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa 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: Species: D. acanthus