Elliptio sp.
1, 2. Rocky Creek, Toombs Co., GA. 1. - 57 mm; 2. - 54 mm.
Range: Altamaha and Ogeechee River systems.
Remarks: This attractive species appears to be undescribed. The bold rays, lanceolate shape, and apparent small size are characteristic. It is similar to naviculoides but more elongate and compressed, with a bolder color pattern.