Shell grit, Bear Island (Hammocks Beach State Park) near Swansboro, North Carolina. Digital image by David Kirsh

    From grunge collected from a mangrove beach on the Jupiter Sound (Indian River) shore of Coral Cove Park (just S of Blowing Rock Preserve) by Rick Edwards in April and July, 2021 and later culled by him and H. G. Lee (1.76 mm. (top image) and 1.14 mm. (bottom two images)). SEMs performed by H. G. Lee in collaboration with Dr. Ann Heatherington, Dept. of Geological Sciences, University of Florida, Gainesville, FL.

    In shell/bryozoan hash from one fathom off the town of Cedar Key, Levy County, Florida, 5/2019 (1.78 mm.). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. Descended from  Caecum cinctum Olsson and Harbison, 1953.