''Papilloderma altonagai'' is a species of air-breathing land

slug 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 smal ...

, a terrestrial

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk in the informal group

Sigmurethra Sigmurethra is a taxonomic category of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This is an informal group which includes most land snails and slugs. The two strong synapomorphies of Sigmurethra are a ...

. ''Papilloderma altonagai'' is the only species in the genus ''Papilloderma'', which is the only genus within the family Papillodermatidae, which in turn is the only family within the superfamily Papillodermatoidea. Kepaltonaga Agia Dani Blanco

The generic name ''Papilloderma'' is composed from the prefix ''Papillo-'' that means " papilla" and from the suffix ''-derma'' from Greek language that means "skin". This name was chosen because the body has conical papillae arranged in rows. The specific name ''altonagai'' is in honor of the malacologist Dr. Kepa Altonaga from the University of the Basque Country, who collected the first specimen of this species. This species is endemic to northern Spain.

References

Papillodermatidae Endemic fauna of Spain Gastropods described in 1990 Taxonomy articles created by Polbot Monotypic gastropod genera {{Heterobranchia-stub