Rosy Strigilla (False Rose Stigilla)
Strigilla carnaria
Strigilla pseudocarnaria Boss, 1969
Family Strigilla subfamily of Tellininae
Rosy Stigilla or "False Rose" Stigilla" are fairly rare on S. Hutchinson Island. I have found a number of complete shells (both valves). Thye resemble somewhat teh Rose Tellin, to which thye are related.
Rose Stigilla (S. Hutchinson Island 2020)