query: parent_taxon anadenidae
supports: Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word "slug" is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semislugs (this is in contrast to the common name "snail", which applies to gastropods that have a coiled shell large enough that the animal can fully retract its soft parts into the shell). Anadenidae is a taxonomic family of air - breathing land slugs , terrestrial pulmonate gastropod mollusks in the superfamily Arionidae ( according to the taxonomy of the Gastropoda by Bouchet & Rocroi , 2005 ) . This family has no subfamilies ( according to the taxonomy of the Gastropoda by Bouchet & Rocroi , 2005 ) . Arionidae, common name the "roundback slugs" or "round back slugs" are a taxonomic family of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the superfamily Arionoidea. Arionoidea is a taxonomic group, superfamily of air-breathing land slugs, shell-less terrestrial pulmonate gastropod mollusks.
candidates: animal arionidae arionoidea
answer: arionoidea