Glyphyalinia umbilicata (Singley in Cockerell, 1893) Texas Glyph

Scanning Electron Micrograph (SEM) Of Fossil Specimens

    Dig in Orlando, Orange County, Florida exposing the Nashua Formation (Plio-early Pleistocene). SEMs produced by H. G. Lee in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. The Bottom specimen (UF IP 335909) measures 3.01 mm.).