• Common Name: Pistolgrip
  • Scientific Name: Quadrula verrucosa
  • Size: 2.44” (6.2 cm) across
  • Magnification: .46x
  • Specimen #: 130b
  • Notes: very worn shell, formerly called Tritogonia verrucosa
  • Image Location: Lillard's Mill, Duck River, Milltown, Tennessee