Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Echinodermata Subphylum: Eleutherozoa Superclassis: Cryptosyringida Classis: Holothuroidea Subclassis: Apodacea Ordo: Molpadiida
Familia: Eupyrgidae Genus (1): Eupyrgus