Fossil springsnail

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1	Microsoft Word - Pyrgsimp.d.doc Add to Reading List Source URL: www.azgfd.gov Language: English - Date: 2006-05-01 18:40:26 Fossil springsnail Tryonia Pyrgulopsis Fauna of the United States Hydrobiidae
2	Wednesday, December 16, 2009 Part III Department of the Add to Reading List Source URL: www.fws.gov Language: English - Date: 2009-12-16 16:03:53 Phyla Protostome Grand Wash springsnail Holospira Davis County springsnail Fossil springsnail Montezuma Well springsnail Naegele springsnail Endangered Species Act Fauna of the United States Pyrgulopsis Urocoptidae