Trachythyone elongata
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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: Dendrochirotacea
Ordo: Dendrochirotida
Familia: Cucumariidae
Genus: Trachythyone
Species: Trachythyone elongata