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Bulimulus chemitzioides 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Stylommatophora Orthalicidae

Scientific Name: Bulimulus chemitzioides
Species Authority: (Forbes, 1850)
Taxonomic Notes: Synonym: Naesiotus chemitzioides

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii) ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Annotations:
Needs updating
Assessor(s): Parent, C.
Reviewer(s): Coppois, G. & Seddon, M.B. (Mollusc Red List Authority)
Justification:
Bulimulus chemitzioides is endemic to San Cristóbal Island in the Galápagos Islands. It was not found alive over the past three years of collecting on Galapagos Islands. However, only one full week was spent collecting on San Cristóbal Island, so the species' presence may have been overlooked. The area of the habitat where the species should exist is estimated to be less than 100 km². The main threat to this species is habitat alteration and/or destruction by human activities and introduced species. The flora and fauna of San Cristóbal Island have undergone major changes since humans settled on this island and the endemic species on this island have suffered greatly from these changes.

Geographic Range [top]

Range Description:Bulimulus chemitzioides is endemic to San Cristóbal Island (558 km²). The area of the habitat where the species should exist is estimated to be less than 100 km².
Countries occurrence:
Native:
Ecuador (Galápagos)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Number, size and locations of subpopulations are unknown.
Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Arid and possibly transition zones.
Systems:Terrestrial

Threats [top]

Major Threat(s): Habitat alteration and/or destruction by human activities (mostly farming) and introduced species. There is an established population of the invasive little fire ant, Wasmannia auropunctata, on the island (Silberglied 1972).

Citation: Parent, C. 2003. Bulimulus chemitzioides. The IUCN Red List of Threatened Species 2003: e.T43992A10838474. . Downloaded on 24 February 2017.
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