Lampsilis siliquoidea 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Bivalvia Unionoida Unionidae

Scientific Name: Lampsilis siliquoidea (Barnes, 1823)
Common Name(s):
English Fatmucket
Lampsilis luteola (Lamarck, 1819)
Lampsilis luteola (Lamarck, 1819)
Lampsilis radiata luteola (Lamarck, 1819)
Lampsilis radiata luteola (Lamarck, 1819)
Lampsilis radiata siliquoidea (Barnes, 1823)
Lampsilis radiata siliquoidea (Barnes, 1823)
Taxonomic Notes: The combination Lampsilis radiata luteola has been used incorrectly in place of Lampsilis siliquoidea and resulted in some confusion. For example, Lampsilis radiata luteola cited in Oesch (1984, 1995) is actually Lampsilis siliquoidea but the two names are not considered synonyms nor is siliquoidea considered a form or subspecies of radiata. Unio (= Lampsilis) luteola, previously confined to the Susquehanna and Mohawk Rivers (Johnson 1969), falls within the overall range of and is considered a junior synonym of Lampsilis radiata and not as a senior synonym of Lampsilis siliquoidea (see Turgeon et al. 1998).

Note that Watters et al. (2009) conclude that Unio siliquoidea Barnes, 1823, is a junior synonym of Unio luteola Lamarck, 1819, that intergraded with Lampsilis radiata radiata in northern New York in the Finger Lakes, Erie Canal, Mohawk, and upper Susquehanna Rivers; and therefore synonymize Lampsilis siliquoidea with Lampsilis radiata as a subspecies- Lampsilis radiata luteola.

A list of synonyms for this species can be found on The MUSSEL project web site (Graf and Cummings 2011).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2012-03-05
Assessor(s): Cummings, K. & Cordeiro, J.
Reviewer(s): Bohm, M., Collen, B. & Seddon, M.
Contributor(s): Richman, N., Dyer, E., Soulsby, A.-M., Whitton, F., Kasthala, G., McGuinness, S., Milligan, HT, De Silva, R., Herdson, R., Thorley, J., McMillan, K., Collins, A., Offord, S. & Duncan, C.
Lampsilis siliquoidea has been assessed as Least Concern as it is extremely widely distributed and its populations appear to be stable and secure throughout its range, without any major threats affecting its global population.

Geographic Range [top]

Range Description:This species occurs throughout the Mississippi River basin except for the Tennessee and Cumberland River basins. The range extends from western New York to Minnesota and Montana (Gangloff and Gustafson 2000) and south to Arkansas and west into eastern Kansas and Nebraska (Hoke 2005). It is found as far west as the eastern Colorado border and in Montana and is widespread throughout the interior of Canada, including the western Hudson Bay drainage (Parmalee and Bogan 1998).
Countries occurrence:
Canada (Alberta, British Columbia, Manitoba, Northwest Territories, Nunavut, Ontario, Qu├ębec, Saskatchewan); United States (Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New York, North Dakota, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, West Virginia, Wisconsin, Wyoming)
Additional data:
Estimated area of occupancy (AOO) - km2:>20,000
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is insufficient population data available, although this species is reported to be stable throughout its range (NatureServe 2009).
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species occurs in freshwater river systems.

Use and Trade [top]

Use and Trade: This species is not utilized.

Threats [top]

Major Threat(s): It is unlikely that there are any threats impacting this species on a global scale.

Conservation Actions [top]

Conservation Actions: This species has been assigned a NatureServe Global Heritage Status Rank of G5 - Secure, due to it being "extremely wide ranging and is stable and secure throughout its range" (NatureServe 2009). No wide ranging conservation actions have been undertaken for this species.

Citation: Cummings, K. & Cordeiro, J. 2012. Lampsilis siliquoidea. The IUCN Red List of Threatened Species 2012: e.T189448A1926029. . Downloaded on 22 May 2018.
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