Marsh Rams-Horn Planorbella trivolvis (Say, 1817)  Synonyms: Helisoma trivolvis.

There are 7 records in the project database.

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GAALWA FRCL MO HOBABCHACE PGAA CVCHSMKEQACNTADOWISOWO
A Marsh Rams-Horn collected in Anne Arundel Co., Maryland (9/29/2015). Verified by Robert T. Dillon, College of Charleston. Photo by Robert Aguilar, SERC. (MBP list)


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