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Gammarus acherondytes

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA ARTHROPODA MALACOSTRACA AMPHIPODA GAMMARIDAE

Scientific Name: Gammarus acherondytes
Species Authority: Hubricht & Mackin, 1940
Common Name(s):
English Illinois Cave Amphipod
Synonym(s):
Gammarus acheronytes Hubricht & Mackin, 1940 [orth. error]

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(ii)+2ab(ii) ver 3.1
Year Published: 2002
Date Assessed: 2002-01-01
Annotations:
Needs updating
Assessor(s): Crandall, K. (Inland Water Crustacean Specialist Group)
Reviewer(s): Taylor, S. & Crandall, K. (Inland Water Crustacean Red List Authority)
Justification:
G. acherondytes is endemic to the Illinois Sinkhole Plain of Monroe and St. Clair counties in southern Illinois. Historically it was known from six caves, but in a survey in 1995 the species was found at only three of the sites, with one further site inaccessible. The main threat to the species is groundwater contamination.
History:
1996 Extinct
1996 Extinct
1994 Indeterminate (Groombridge 1994)
1990 Indeterminate (IUCN 1990)
1988 Indeterminate (IUCN Conservation Monitoring Centre 1988)
1986 Indeterminate (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Countries:
Native:
United States (Illinois)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Unknown

Habitat and Ecology [top]

Systems: Freshwater

Citation: Crandall, K. (Inland Water Crustacean Specialist Group) 2002. Gammarus acherondytes. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 22 August 2014.
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