|Caecum cycloferum de Folin, 1867 Fat Lip Caecum|
|Treasure Beach (Billy's Bay), St. Elizabeth Parish, Jamaica (2.5 mm.). Digital images by David Kirsh.|
|Scanning Electron Micrographs (SEM) Of Fossil Specimens|
Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida. The top specimen measures 2.64 mm. SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.