Common name: marbled aplexa
available through www.itis.gov
Native Range: Brazil, Guatemala, Uraguay, Venezuela, and the West Indies (Te 1978).
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 Stenophysa marmorata are found here.
Table last updated 11/28/2023
† Populations may not be currently present.
* HUCs are not listed for states where the observation(s) cannot be approximated to a HUC (e.g. state centroids or Canadian provinces).
References: (click for full references)
Revision Date: 9/9/2015
Te, G.A. 1978. The systematics of the family Physidae (Basommatophora: Pulmonata). Ph.D. Dissertation, Univ. Michigan, Ann Arbor, Michigan.
U.S. Geological Survey, 2023, Stenophysa marmorata (Guilding, 1828): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=1027, Revision Date: 9/9/2015, Access Date: 11/29/2023
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.