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  • José H. Leal

Shell of the Week: The Jeanne Vitrinella


Cyclostremiscus jeannae Pilsbry & McGinty, 1946, is another very small local microgastropod in the family Tornidae. The rarely exceeds 2 mm (0.08 inch) in diameter, is flattened, compressed, with a sculpture of three strong spiral keels. The shell base is clearly delimited by the “lower” peripheral keel, with another keel delimiting the relatively large umbilicus. Shell color is white. The species was named after the late malacologist and specialist in Southwest Florida mollusks Dr. Jeanne S. Schwengel.


The Jeanne Vitrinella, Cyclostremiscus jeannae. Photos by James F. Kelly.

#JeanneVitrinella #Cyclostremiscusjeannae #Vitrinellidae #Tornidae #umbilicus