Somatogyrus crassilabris
Taxonomy [top]
| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| ANIMALIA | MOLLUSCA | GASTROPODA | LITTORINIMORPHA | HYDROBIIDAE |
| Scientific Name: | Somatogyrus crassilabris | |||
| Species Authority: | Walker, 1915 | |||
Common Name/s:
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Assessment Information [top]
| Red List Category & Criteria: | Extinct ver 3.1 | |||||||||
| Year Published: | 2011 | |||||||||
| Assessor/s: | Cordeiro, J. & Perez, K. | |||||||||
| Reviewer/s: | Bohm, M & Collen, B. | |||||||||
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Justification: Somatogyrus crassilabris has been assessed as Extinct as despite recent surveys it has not been found. |
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| History: |
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Geographic Range [top]
| Range Description: | This species is only known from the North Fork of the White River in Baxter County, Arkansas (Robison and Allen 1995). The only known specimen is the type specimen (Walker 1915, Hinkley 1915). |
| Countries: |
Regionally extinct:
United States (Arkansas)
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| Range Map: | Click here to open the map viewer and explore range. |
Population [top]
| Population: | This species is thought to be Extinct (IUCN 2009). Despite recent surveys it has not been found. |
Habitat and Ecology [top]
| Habitat and Ecology: | There is no specific habitat information available for this species, but it is only known from the North Fork of the White River in Baxter County, Arkansas (Robison and Allen 1995). |
| Systems: | Freshwater |
Threats [top]
| Major Threat(s): | There is no threat information available for this species, but it is considered Extinct. |
Conservation Actions [top]
| Conservation Actions: | This species is classified as Extinct (IUCN 2009). |
Bibliography [top]
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Hinkley, A.A. 1915. New fresh-water shells from the ozark mountains. Proceedings of the National Museum 49: 587-589. IUCN. 2009. IUCN Red List of Threatened Species (ver. 2009.3). Available at: www.iucnredlist.org. (Accessed: 3 December 2009). IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.2). Available at: http://www.iucnredlist.org. (Accessed: 10 November 2011). Robison, H.W. and Allen, R.T. 1995. Only in Arkansas: A Study of the Endemic Plants and Animals of the State. pp. 36. University of Arkansas Press, Fayetteville, Arkansas. Walker, B. 1915. Apical characters in Somatogyrus with descriptions of three new species. The Nautilus 29(4 & 5): 37-41, 49-53. Walker, B. 1918. A synopsis of the classification of the fresh-water mollusca of North America, North of Mexico. Museum of Zoology. |
| Citation: | Cordeiro, J. & Perez, K. 2011. Somatogyrus crassilabris. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012. |
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