Vallonia parvula Sterki, 1893 Trumpet Vallonia
"Floridan form" (Pilsbry, 1948: 1028)

Scanning Electron Micrographs (SEM) Of Fossil Specimens

1.66 mm.

    Dig in Orlando, Orange County, Florida exposing the Nashua Formation (Plio-early Pleistocene) (top two images measure 1.64 and 1.67 mm., respectively). SEMs produced by H. G. Lee in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL.

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