Patera appressa (Say, 1821) Flat Bladetooth Sinistral

Sinistral specimen is on the right.

    Chestnut Ridge at Livesay Mill, Hancock Coumty, Tennessee 4/6/2018. Collected by Dr. Colleen Winters and Mr. Bob Winters. As far as is known, this is the only sinistral specimen of this species ever collected.