New York Natural Heritage Program
Dwarf Wedgemussel
Alasmidonta heterodon (I. Lea, 1830)
Bivalves
Links

References
Burch, J.B. 1975a. Freshwater unionacean clams (Mollusca: Pelecypoda) of North America. Malacological Publications: Hamburg, Michigan. 204 pp.
Clarke, A.H. 1981. The freshwater mollusks of Canada. National Museum of Natural Sciences, National Museums of Canada, D. W. Friesen and Sons, Ltd.: Ottawa, Canada. 446 pp.
Gordon, M.E. and J.B. Layzer. 1989. Mussels (Bivalvia: Unionoidea) of the Cumberland River review of life histories and ecological relationships. U.S. Fish and Wildlife Service Biological Report, 89(15): 1-99.
Keys, Jr.,J.; Carpenter, C.; Hooks, S.; Koenig, F.; McNab, W.H.; Russell, W.;Smith, M.L. 1995. Ecological units of the eastern United States - first approximation (cd-rom), Atlanta, GA: U.S. Department of Agriculture, Forest Service. GIS coverage in ARCINFO format, selected imagery, and map unit tables.
Lellis, W.A. 2001. Freshwater mussel survey of the Upper Delaware Scenic and Recreational River: Qualitative Survey 2000. Report to the National Park Service. New York Natural Heritage Program, Albany, NY.
Letson, E. J. 1905. Checklist of the Mollusca of New York. Bulletin. No. 88. New York State Museum, Albany, NY.
Marshall, W.B. 1895. Geographical distribution of New York Unionidae. Annual Report. New York State Museum. 48: 47-99.
Master, L. 1986. Alasmidonta heterodon; results of a global status survey and proposal to list as an endangered species. A report submitted to Region 5 of the USFWS, Hadley, Massachusetts. 10 pp.
McLaine, D.C., and M.R. Ross. 2005. Reproduction based on local patch size of Alasmidonta heterodon and dispersal by its darter host in the Mill River, Massachusetts, USA. Journal of the North American Benthological Society 24:138-147.
Michaelson, D.L. and R.J. Neves. 1995. Life history and habitat of the endangered dwarf wedgemussel Alasmodonta heterodon (Bivalvia: Unionidae). Journal of the North American Benthological Society, 14(2): 324-340.
NatureServe. 2005. NatureServe Central Databases. Arlington, Virginia. USA
Nedeau, E. 2005. In hopes the dwarf wedgemussel survives: presumed extirpated, surveyors have discovered new populations. Gulf of Maine Times. Winter 2005.
Pinkney, A.E., D.R. Murphy, and P.C. McGowan, preparers. 1997. Characterization of endangered dwarf wedgemussel (Alasmidonta heterodon) habitats in Maryland. Branch of Water Quality and Environmental Contanimants, U.S. Fish and Wildlife Service, Annapolis, Maryland. Publication No. CBFO-C97-01. 156 pp.
Strayer, D.L. and J. Ralley. 1993. Microhabitat use by an assemblage of stream-dwelling unionaceans (Bivalvia) including two rare species of Alasmidonta. Journal of the North American Benthological Society 12(3):247-258.
Strayer, D.L., S.J. Sprague, and S. Claypool. 1996. A range-wide assessment of populations of Alasmidonta heterodon, an endangered freshwater mussel (Bivalvia: Unionidae). Journal of the North American Benthological Society, 15(3): 308-317.
Strayer, David L. and D.R. Smith. 2003. A guide to sampling freshwater mussel populations. American Fisheries Society Monograph 8. American Fisheries Society, Bethesda, Maryland. 103 pp.
Strayer, David L. and J. Ralley 1991. The freshwater mussels (Bivalva: Unionidae) of the upper Delaware River drainage. American Malacological Bulletin 9 (1): 21-25.
Strayer, David L. and K.J. Jirka. 1997. The Pearly Mussels (Bivalva: Unionoidea) of New York State. New York State Museum Memoir 26. The New York State Education Department.
Strayer, David L., J.A. Dowling, W.R. Haag, T.L. King, J.B. Layzer, T.J. Newton and S.J. Nichols. 2004. Changing perspectives on Pearly Mussels, North America's most Imperiled Animals. BioScience 54:429-439.
U.S. Fish and Wildlife Service (USFWS). 1993. Dwarf wedge mussel (Alasmidonta heterodon) recovery plan. U.S. Fish and Wildlife Service: Hadley, Massachusetts. 52 pp.

Acknowledgements

Funding from the NYSDEC Hudson River Estuary Program made the initial development of these guides possible.

Additional support has been provided by

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Modifications and updates: David Marston and Matthew Buff.

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This guide was authored by:
Information for this guide was last updated on: 04-Aug-2017