Acicula benoiti 

Scope: Global & Europe
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Architaenioglossa Aciculidae

Scientific Name: Acicula benoiti (Bourguignat, 1864)
Taxonomic Notes: This species is considered a taxon separate from Acicula lallemanti (Bourguignat, 1864) (Boeters et al. 1989).

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2011
Date Assessed: 2011-04-01
Assessor(s): Neubert, E.
Reviewer(s): Cuttelod, A. & Bilz, M.
Although the species has a large extent of occurrence (EOO = 4,500 km2), it is only known from three locations and the area of occupancy (AOO) is only 12 km2. Its distribution area is fragmented and quarries are potential threats, it is therefore considered as Vulnerable (VU) D2.

Geographic Range [top]

Range Description:This species is endemic to Sicily, Italy. It is recorded from three locations on the island: Palermo, Corleone and Siracusa. The distribution area seems to be seriously fragmented.
Countries occurrence:
Italy (Sicilia)
Additional data:
Estimated area of occupancy (AOO) - km2:12
Number of Locations:3
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no information available on the population size or trend of this species.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:There is no published information available on the habitat of this species. Inferring from closely related species, it very  probably lives in decaying material in rock crevices of larger limestone formations, or even subterraneously.

Use and Trade [top]

Use and Trade: This species is not used.

Threats [top]

Major Threat(s): There are no threats known to this species. However, quarrying could destroy the habitat to this species.

Conservation Actions [top]

Conservation Actions: There is no conservation action in place for this species.

Classifications [top]

0. Root -> 6. Rocky areas (eg. inland cliffs, mountain peaks)
7. Caves and Subterranean Habitats (non-aquatic) -> 7.2. Caves and Subterranean Habitats (non-aquatic) - Other Subterranean Habitats

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education
3. Energy production & mining -> 3.2. Mining & quarrying
♦ timing:Future    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation
  • 2. Species Stresses -> 2.1. Species mortality

Bibliography [top]

Boeters, H.D., Gittenberger, E. and Subai, P. 1989. Die Aciculidae (Mollusca, Gastropoda, Prosobranchia). Zoologische Verhandelingen 252: 1-234.

IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at: (Accessed: 30 June 2017).

Citation: Neubert, E. 2011. Acicula benoiti. The IUCN Red List of Threatened Species 2011: e.T156820A5003175. . Downloaded on 16 August 2018.
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