LITERATURE CITED
- Albrecht , E. A. , Carreno , N. B. and Castro-Bazquez , A. 1999 . A quantitative study of environmental factors influencing the seasonal onset of reproductive behaviour in the South American apple-snail Pomacea canaliculata (Gastropoda: Ampullariidae). . Journal of Molluscan Studies , 65 : 241 – 250 .
- Brown , K. M. 2001 . “ Gastropoda ” . In Ecology and Classification of North American Freshwater Invertebrates, , 2nd Edition Edited by: Thorp , J. H. and Covich , A. P. 297 – 316 . London : Academic Press .
- Brown , K. M. , Alexander , J. E. and Thorp , J. H. 1998 . Differences in the ecology and distribution of lotic pulmonate and prosobranch gastropods. . American Malacological Bulletin , 14 : 91 – 101 .
- Call , R. E. 1884 . On the quaternary and recent mollusca of the Great Basin, with descriptions of new forms. . U.S. Geological Survey Bulletin , 11 : 1 – 64 .
- Cleland , D. M. 1954 . A study of the habits of Valvata piscinalis (Müller) and the structure and function of the alimentary canal and reproductive system. . Proceedings of the Malacological Society of London , 30 : 167 – 203 .
- Dillon , R. T. 2000 . The ecology of freshwater molluscs Cambridge, U.K : Cambridge University Press .
- Dorgelo , J. and Leonards , P. E.G. 2001 . Relationship between C/N ratio of food types and growth rate in the snail Potamopyrgus jenkinsi (E.A. . Smith). Journal of the North American Benthological Society , 20 : 60 – 67 .
- Fields , T. 2005 . Surveys for the desert valvata (Valvata utahensis) in the upper Snake River drainage. Idaho Conservation Data Center, Idaho Department of Fish and Game, Boise, Idaho 28
- Frest , T. J. and Johannes , E. J. 1992 . Distribution and ecology of the endemic relict mollusc fauna of Idaho TNC's Thousand Springs Preserve. Technical report to: Idaho Nature Conservancy; SunValley, Idaho. 291
- Frest , T. J. and Johannes , E. J. 1995 . Interior Columbia Basin mollusk species of special concern. Deixis Consultants, Seattle, Washington. Technical report to: Interior Columbia Basin Ecosystem Project; Walla Walla, Washington 274 w/appendices
- Gillespie , D. M. 1969 . Population studies of four species of molluscs in the Madison River, Yellowstone National Park. . Limnology and Oceanography , 14 : 101 – 114 .
- Heard , W. H. 1963 . Reproductive features of Valvata . Nautilus , 77 : 64 – 68 .
- Hershey , A. E. 1990 . Snail populations in arctic lakes: competition mediated by predation? . Oecologia , 82 : 26 – 32 .
- Hershler , R. 1990 . Pyrgulopsis bruneauensis, a new springsnail (Gastropoda: Hydrobiidae) from the Snake River Plain, southern Idaho. . Proceedings of the Biological Society of Washington , 103 : 803 – 814 .
- Hershler , R. 1994 . A review of the North American freshwater snail genus Pyrgulopsis (Hydrobiidae). . Smithsonian Contributions to Zoology , 554 : 1 – 115 .
- Hershler , R. 1998 . A systematic review of the hydrobiid snails (Gastropoda: Rissooidea) of the Great Basin, western United States. Part I. Genus Pyrgulopsis . The Veliger , 41 : 1 – 132 .
- Hershler , R. and Frest , T. J. 1996 . A review of the North American freshwater snail genus Fluminicola (Hydrobiidae). . Smithsonian Contributions to Zoology , 583 : 1 – 41 .
- Hershler , R. and Sada , D. W. 2000 . A new species of hydrobiid snail fo the genus Pyrgulopsis from northwestern Nevada. . The Veliger , 43 : 367 – 375 .
- Jess , S. and Marks , R. J. 1998 . Effect of temperature and photoperiod on growth and reproduction of Helix aspera var. maxima . Journal of Agricultural Science , 130 : 367 – 372 .
- Lodge , D. M. and Kelly , P. 1985 . Habitat disturbance and the stability of freshwater gastropod populations. . Oecologia , 68 : 111 – 117 .
- Lysne , S. J. 2003 . The life history and ecology of two endangered Snake River gastropods: Utah valvata (Valvata utahensis; Call) and Idaho springsnail (Pyrgulopsis idahoensis: Pilsbry). M.S. Thesis, Boise State University, Boise, Idaho 103
- Taylor , D. W. 1982 . Status report on the Utah Valvata snail in southwestern Idaho. Technical report to: U.S. Fish and Wildlife Service, Boise, Idaho. 10
- Taylor , D. W. 1988 . New species of Physa (Gastropoda: Hygrophila) from the western United States. . Malacological Review , 21 : 43 – 79 .
- U.S. Bureau of Reclamation (USBR) . 1999 . U.S. Bureau of Reclamation Endangered Species Act snail investigations Lake Walcott, Idaho. Pacific Northwest Region, Boise, Idaho. 38 (w/appendices)
- U.S. Bureau of Reclamation (USBR) . 2002 . Research, monitoring and surveys for snails protected under the Endangered Species Act in the upper Snake River, Idaho 28 Boise, Idaho : Technical report to: U.S. Fish and Wildlife Service .
- U.S. Bureau of Reclamation (USBR) . 2003 . Monitoring and distribution surveys for Utah valvata snails protected under the Endangered Species Act in the upper Snake River, Idaho. Technical report to: U.S. Fish and Wildlife Service, Boise, Idaho. 27
- U.S. Fish and Wildlife Service (USFWS) . 1995 . Snake River Aquatic Species Recovery Plan. Region 1, Portland, Oregon. 92
- van den Berg , M. S. , Coops , H. , Noordhuis , R. , van Schie , J. and Simons , J. 1997 . Macroinvertebrate communities in relation to submerged vegetation in two Chara-dominated lakes. . Hydrobiologia 342 , 343 : 143 – 150 . /
- Walker , B. 1902 . A revision of the carinate Valvatas of the United States. . The Nautilus , 15 : 121 – 125 .
- Winterbourne , M. J. 1969 . Water temperature as a factor limiting the distribution of Potamopyrgus antipodarum (Gastropoda-Prosobranchia) in the New Zealand thermal region. . New Zealand Journal of Marine and Freshwater Research , 3 : 453 – 458 .