Common name: Seminole rams-horn
available through www.itis.gov
Native Range: Endemic to peninsular Florida, as far west and north as Taylor County (Thompson 1984).
Hydrologic Unit Codes (HUCs) Explained
Puerto Rico &
Interactive maps: Point Distribution Maps
Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Planorbella duryi are found here.
Table last updated 2/27/2023
† Populations may not be currently present.
References: (click for full references)
Revision Date: 9/4/2015
NCSM = North Carolina State Museum
Thompson, F.G. 1984. The freshwater snails of Florida: a manual for identification. http://www.flmnh.ufl.edu/natsci/malacology/fl-snail/snails1.htm. Accessed 9/4/2015.
U.S. Geological Survey, 2023, Planorbella duryi: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=2321, Revision Date: 9/4/2015, Access Date: 3/23/2023
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.