Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Phylum: Ctenophora
Classis: Tentaculata
Subclassis: Typhlocoela
Ordo: Platyctenida
Familia: Tjalfiellidae
Genus: Tjalfiella
Species: T. tristoma
Name
Tjalfiella Mortensen, 1910
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