Orcula austriaca 

Scope: Global

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Stylommatophora Orculidae

Scientific Name: Orcula austriaca
Species Authority: Zimmermann, 1932
Orcula spoliata S. Zimmermann, 1932 ssp. austriaca S. Zimmermann, 1932
Taxonomic Notes: This is a polytypic species with taxonomic problems associated with the subspecies. The currently accepted subspecies are: Orcula austriaca austriaca, O. austriaca faueri Klemm, 1967, O. austriaca goelleri Gittenberger, 1978 and O. austriaca pseudofuchsi Klemm, 1967.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2011
Date Assessed: 2010-11-12
Assessor(s): Falkner, G. & von Proschwitz, T.
Reviewer(s): Neubert, E., Ward, J. & Nichols, C.
This species is endemic to Austria. It has a relatively large distribution and the main threat is not thought to impact all the sub-populations. It is therefore assessed as Least Concern (LC). However, some subspecies have extremely restricted distributions and all subspecies, except Orcula austriaca austriaca, are considered threatened and are red-listed in Austria.
Previously published Red List assessments:

Geographic Range [top]

Range Description:The species is endemic to Austria, with some subspecies having extremely restricted distributions. For example O. austriaca pseudofuchsi is known only from one locality (less than 10 km²), O. austriaca goelleri from five localities (less than 10 km²) and O. austriaca faueri from two localities (less than 10 km²).
Countries occurrence:
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The population of this species is currently unknown, and there is no data available on population trends.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:The species has a preference for grassy, calcareous rock ledges.

Use and Trade [top]

Use and Trade: This species is not utilized.

Threats [top]

Major Threat(s): Threats have been identified as habitat destruction through the afforestation of spruce (Picea) trees.

Conservation Actions [top]

Conservation Actions: All the subspecies, except Orcula austriaca austriaca, are red-listed in Austria (Reischütz and Reischütz 2007).

No conservation actions are required for this species as a whole under this assessment. Research to resolve the taxonomic confusions surrounding the subspecies is recommended.

Citation: Falkner, G. & von Proschwitz, T. 2011. Orcula austriaca. The IUCN Red List of Threatened Species 2011: e.T15446A4586321. . Downloaded on 22 October 2016.
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