Southwest Florida Shells

José H. Leal

Cyclostremiscus jeannae

Pilsbry & McGinty, 1946

Family Tornidae

Jeanne Vitrinella

Shell to 2 mm in size, flattened, compressed, with spire not projecting in early whorls, sculpture of microscopic growth lines, umbilicus open, aperture oblique. Sculpture of three strong spiral keels. Base clearly delimited by “lower” peripheral keel, with another keel delimiting the relatively large umbilicus. Shell color white. Compare to Cyclostremiscus pentagonus and Cyclostremiscus suppressus. The species was named after the late malacologist and specialist in Southwest Florida mollusks Dr. Jeanne S. Schwengel.

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