New York Natural Heritage Program
Lance Aplexa
Aplexa elongata (Say, 1821)
Gastropods
Links

References

Harman, W. N., and C. O. Berg. 1971. The freshwater snails of central New York with illustrated keys to the genera and species. Cornell University Agricultural Experiment Station in Entomology. Ithaca, NY.

Bauer, B. and Ringeis, B. 2002. Changes in Gastropod assemblages in freshwater habitats in the vicinity of Basel (Switzerland) over 87 years. Hydrobiologia 279:1-10.
Bronmark, C. 1985. Freshwater snail diversity: effects of pond area, habitat heterogeneity and isolation. Oecologia 67:127-131.
Brown, K.H. 1982. Resource overlap and competition in pond snails: an experimental analysis. Ecology 63:412-422.
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.
Colburn, E.A. 2004. Vernal Pools: Natural History and Conservation. The McDonald and Woodward Publishing Company, Blacksburg, VA. 426 pp.
Dillon, R.T., Jr. and A.R. Wethington. 2006. The Michigan Physidae revisited: A population genetic study. Malacologia, 48: 133-142.
Dillon, R.T., Jr., B.T. Watson, and T.W. Stewart. 2006a. The freshwater gastropods of North Carolina. Created 26 August 2003 by Rob Dillon, College of Charleston, Charleston, South Carolina. Available online: http://www.cofc.edu/~fwgna/FWGNC/index.html. Last updated September 2007.
Harman, W.N. 1972. Benthic substrates: their effect on fresh-water mollusca. Ecology 53:271-277.
Hoverman, J.T., C.J. Davis, E.E. Werner, D.K. Skelly, R.A. Relyea, and K.L. Yurewicz. 2011. Environmental gradients and the struture of freshwater snail communities. Ecography 34:1049-1058.
Johnson, P.D. et al., 2013. Conservation status of freshwater Gastropods of Canada and the United States. Fisheries 38:247-282.
Jokinen, E.H. 1983. The freshwater snails of Connecticut. State Geological and Natural History Survey, Bulletin, 109: 1-83.
Jokinen, E.H. 1992. The Freshwater Snails (Mollusca: Gastropoda) of New York State. New York State Museum, Bulletin, 482: 1-112.
Kesler, D.H. 1983. Cellulase activity in Gastropods: should it be used in niche separation? Freshwater Invertebrate Biology 2:173-179.
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.
Lodge, D.M., K.M. Brown, S.P. Klosiewski, R.A. Stein, A.P. Covich, B.K. Leathers, and C. Bronmark. 1987. Distribution of freshwater snails: spatial scale and the relative importance of physicochemical factors. American Malacological Bulletin 5:73-84.
NatureServe. 2005. NatureServe Central Databases. Arlington, Virginia. USA
Pip, E. 2000. The decline of freshwater molluscs in southern Manitoba. Canadian Field Naturalist 114(4):555-560.
Pyron, M., J. Beaugly, E. Martin, and M. Spielman. 2008. Conservation of the freshwater gastropods of Indiana: Historic and current distributions. American Malacological Bulletin, 26: 137-151.
Robertson, I. and C. Blakeslee. 1948. The Mollusca of the Niagara Frontier region. Bulletin of the Buffalo Society of Natural Sciences, 19: 1-191.
Strayer, David L. 1987. Ecology and zoogeography of the freshwater mollusks of the Hudson River basin. Malacological Review 20:1-68.
Turner, A.M. and S.L. Montgomery. 2009. Hydroperiod, predators and the distribution of physid snails across the freshwater habitat gradient. Freshwater Biology 54:1189-1201.
Wethington, A.R. and C. Lydeard. 2007. A molecular phylogeny of Physidae (Gastropoda: Basommatophora) based on mitochondrial DNA sequences. Journal of Molluscan Studies, 73(3): 241-257.

Acknowledgements

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

Additional support has been provided by

Website architect: Andrew Blick.
Modifications and updates: David Marston and Matthew Buff.

Global data are provided by NatureServe and its Natural Heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.

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To continue building a comprehensive, up-to-date database of information on the locations of rare species in New York State, we invite your contributions. If you have information on a rare species, please fill out our Online Rare Species Reporting Form. If you have information on ecological communities, please fill out a Natural Heritage Reporting Form (two-page MS Word document).

This guide was authored by: Jeffrey D. Corser
Information for this guide was last updated on: 07-Aug-2017