At a glance
Essentials
- Distribution
- Iberian Peninsula; Ubiñense-Picoeuropeano sector, from the Somiedo valley to the Picos albos.
- Habitat
- Cliffs and limestone walls; shelters in crevices or under grasses on rocks.
- Activity
- Adults and juveniles have been obtained in both spring and autumn, suggesting that it does not present a seasonal annual cycle.
- Diet
- Probably feeds on encrusting rupicolous algae and lichens.
Observation guide
What to look for
- 01
It has unexpanded ridges at the tip of the shell.
- 02
It presents an internal accessory sac fused with the inner side of the dart sac.
Lighting, age and viewing angle can hide features. If identification affects consumption, handling or conservation, consult specialist sources.
Ecology
Description and characteristics
It is a pulmonate gastropod terrestrial species belonging to the family Hygromiidae, within the order Stylommatophora. The species was described by Prieto and Puente in 1994 and is morphologically characterized by having unexpanded ridges at the tip and an internal accessory sac fused with the inner side of the dart sac.
Its specific habitat consists of cliffs and limestone walls. Individuals can be found directly on rock surfaces or sheltered in crevices, recesses, and under the herbaceous vegetation growing in rock fissures. Although its biology is not known with certainty, its diet is estimated to probably consist of encrusting rupicolous algae and lichens.
Regarding its distribution, it is a species endemic to the Iberian Peninsula. It is located in the Ubiñense-Picoeuropeano sector, with a distribution area spanning from the Somiedo valley to the Picos albos, situated southeast of Pola de Somiedo. All known populations are found within the Somiedo Natural Park.