| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| ANIMALIA | MOLLUSCA | GASTROPODA | STYLOMMATOPHORA | ORTHALICIDAE |
| Scientific Name: | Bulimulus nux |
| Species Authority: | (Broderip, 1832) |
| Taxonomic Notes: | Synonym = Naesiotus nux. |
| Red List Category & Criteria: | Endangered B2ab(iii) ver 3.1 | |||||||||
| Year Published: | 2003 | |||||||||
| Assessor/s: | Parent, C. | |||||||||
| Reviewer/s: | Coppois, G. & Seddon, M.B. (Mollusc Red List Authority) | |||||||||
|
Justification: Bulimulus nux is endemic to San Cristóbal and Floreana Islands in the Galápagos Islands. It is known from four subpopulations with an area of occupancy less than 20 km². Habitat is most likely becoming increasingly fragmented due to human activities. The main threats to the species on San Cristóbal are habitat destruction and/or alteration and/or fragmentation by human activities and introduced species. |
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| History: |
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| Range Description: | Bulimulus nux is endemic to the Galápagos Islands of San Cristóbal and Floreana (558 km² and 173 km² respectively). It is known from four subpopulations with a total area of occupancy less than 20 km². |
| Countries: |
Native:
Ecuador (Galápagos)
|
| Range Map: | Click here to open the map viewer and explore range. |
| Population Trend: |
Unknown
|
| Habitat and Ecology: | Found in humid zone on Floreana and San Cristóbal Islands, in Scalesia forest on Floreana Island. Specimens mainly found on trunks (often under bark) or in leaf litter. |
| Systems: | Terrestrial |
| Major Threat(s): | Habitat destruction and/or alteration and/or fragmentation by human activities and introduced species. There are established populations of the invasive little fire ant, Wasmannia auropunctata, on these islands (Silberglied 1972). |
| Citation: | Parent, C. 2003. Bulimulus nux. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012. |
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