Zospeum percostulatum

Zospeum percostulatum
	Paratype of Zospeum percostulatum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia; clade Euthyneura; clade Panpulmonata; clade Eupulmonata
Superfamily:	Ellobioidea
Family:	Ellobiidae
Subfamily:	Carychiinae
Genus:	Zospeum
Species:	Z. percostulatum
Binomial name
	Zospeum percostulatum; Alonso, Prieto, Quiñonero-Salgado & Rolán, 2018

Zospeum percostulatum is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Ellobiidae, the salt marsh snails. This species is endemic to Asturias, Spain. It is known from several limestone caves near Llanes. Though there were a few old records of Zospeum in Asturias, dubiously identified as Z. suarezi and Z. schaufussi, Zospeum percostulatum is the first species described for this autonomous community.

Zospeum percostulatum are microscopic snails (microgastropods) with a shell height of less than 2 mm (thought relatively large for the genus), with a distinctive costulated surface. Live individuals has been collected on concretionated cave walls covered by a wet film of percolated clay.

References[]

Alonso A, Prieto CE, Quiñonero-Salgado S, Rolán E (2018) A morphological gap for Iberian Zospeum filled: Zospeum percostulatum sp. n. (Gastropoda, Eupulmonata, Carychiidae) a new species from Asturias (Spain). Subterranean Biology 25: 35-48. doi:10.3897/subtbiol.25.23364.

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