1. St Johns River, Volusia/Seminole Co., FL - 77 mm
2-4. North Fork Black Creek, Clay Co., FL - 68, 67, 85 mm
Elliptio monroensis (Lea, 1843)
1. St Johns River, Volusia/Seminole Co., FL - 77 mm
2-4. North Fork Black Creek, Clay Co., FL - 68, 67, 85 mm
Type locality: Lake Monroe, Florida.
Range: Endemic to the St Johns River system.
Remarks: This is obviously related to the Elliptio incrassata to the west, but is thinner and has a more delicate hinge.