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

Ancestral taxa
Domain: Eukaryota  [Taxonomy; edit]
(unranked): Unikonta  [Taxonomy; edit]
(unranked): Obazoa  [Taxonomy; edit]
(unranked): Opisthokonta  [Taxonomy; edit]
(unranked): Holozoa  [Taxonomy; edit]
(unranked): Filozoa  [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: Heterobranchia  [Taxonomy; edit]
Infraclass: Euthyneura  [Taxonomy; edit]
Cohort: Tectipleura  [Taxonomy; edit]
Subcohort: Panpulmonata  [Taxonomy; edit]
Superorder: Eupulmonata  [Taxonomy; edit]
Order: Stylommatophora  [Taxonomy; edit]
Suborder: Helicina  [Taxonomy; edit]
Infraorder: Arionoidei  [Taxonomy; edit]
Superfamily: Arionoidea  [Taxonomy; edit]
Family: Arionidae  [Taxonomy; edit]
Genus: Arion  [Taxonomy; edit]

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Parent: Arionidae [Taxonomy; edit]
Rank: genus (displays as Genus)
Link: Arion (gastropod)|Arion(links to Arion (gastropod))
Extinct: no
Always displayed: yes (major rank)
Taxonomic references: http://www.molluscabase.org/aphia.php?p=taxdetails&id=1049809
Parent's taxonomic references: MolluscaBase eds. (2021). MolluscaBase. Arionidae Gray, 1840. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=816161 on 2021-01-20