Mangelia sextoni is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Description
The length of the shell attains 3.8 mm, its diameter is 1.6 mm. Distribution This extinct marine species was found in Miocene strata in the Alum Bluff Group, Florida, USA.
References
External links Worldwide Mollusc Species Data Base: Mangelia sextoni