- Truncilla macrodon, Specimen #1439
- One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; white internal coloring; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected. digital.library.unt.edu/ark:/67531/metadc34133/