Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.

Ancestral taxa
Domain: Eukaryota  [Taxonomy; edit]
Clade: Podiata  [Taxonomy; edit]
Clade: Amorphea  [Taxonomy; edit]
Clade: Obazoa  [Taxonomy; edit]
Clade: Opisthokonta  [Taxonomy; edit]
Clade: Holozoa  [Taxonomy; edit]
Clade: Filozoa  [Taxonomy; edit]
Clade: Choanozoa  [Taxonomy; edit]
Kingdom: Animalia  [Taxonomy; edit]
Subkingdom: Eumetazoa  [Taxonomy; edit]
Clade: ParaHoxozoa  [Taxonomy; edit]
Clade: Bilateria  [Taxonomy; edit]
Clade: Nephrozoa  [Taxonomy; edit]
Clade: Protostomia  [Taxonomy; edit]
Clade: Spiralia  [Taxonomy; edit]
Superphylum: Lophotrochozoa  [Taxonomy; edit]
Phylum: Mollusca  [Taxonomy; edit]
Class: Gastropoda  [Taxonomy; edit]
Subclass: Caenogastropoda  [Taxonomy; edit]
Order: Littorinimorpha  [Taxonomy; edit]
Superfamily: Truncatelloidea  [Taxonomy; edit]
Family: Hydrobiidae  [Taxonomy; edit]
Subfamily: Islamiinae  [Taxonomy; edit]

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Parent: Hydrobiidae [Taxonomy; edit]
Rank: subfamilia (displays as Subfamily)
Link: Islamiinae
Extinct: no
Always displayed: no
Taxonomic references:
Parent's taxonomic references: Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2025). "Hydrobiidae W. Stimpson, 1865". MolluscaBase. World Register of Marine Species. Retrieved 29 November 2025.