Triodopsis tridentata (Say, 1817) Northern Threetooth (specimen on the right)

Specimen on the left is Triodopsis vulgata Pilsbry, 1940 Dished Threetooth

Triodopsis tridentata (Say, 1817) Northern Threetooth (specimen on the right)

Behind Verbel Church, Putnam County, Tennessee 8/6/2019. Collected by Bob Winters.

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