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

Ancestral taxa
Domain: Eukaryota /displayed  [Taxonomy; edit]
Clade: Amorphea  [Taxonomy; edit]
Clade: Obazoa  [Taxonomy; edit]
(unranked): Opisthokonta  [Taxonomy; edit]
(unranked): Holozoa  [Taxonomy; edit]
(unranked): 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]
(unranked): Protostomia  [Taxonomy; edit]
(unranked): Spiralia  [Taxonomy; edit]
Superphylum: Lophotrochozoa  [Taxonomy; edit]
Phylum: Mollusca  [Taxonomy; edit]
Class: Gastropoda  [Taxonomy; edit]
Subclass: Neritimorpha  [Taxonomy; edit]
Order: Cycloneritida  [Taxonomy; edit]
Superfamily: Helicinoidea  [Taxonomy; edit]
Family: Helicinidae  [Taxonomy; edit]
Subfamily: Helicininae  [Taxonomy; edit]
Genus: Alcadia  [Taxonomy; edit]


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Parent: Helicininae [Taxonomy; edit]
Rank: genus (displays as Genus)
Link: Alcadia
Extinct: no
Always displayed: yes (major rank)
Taxonomic references: "Alcadia". WoRMS. World Register of Marine Species. Retrieved 27 July 2024.
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. (2023). "Helicininae A. Férussac, 1822". MolluscaBase. World Register of Marine Species. Retrieved 5 March 2023.