Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Orthogastropoda
Superordo: Neritopsina
Ordo: Neritoida
Superfamilia: Neritoidea
Familia: Neritidae
Subfamilia: Neritinae
Tribus: Theodoxini
Genus: Fluvinerita
Species: F. tenebricosa
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