Mangelia vacavillensis is a minute extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.D. Bryant and K. Palmer. 1923. A fauna from the Middle Eocene shales near Vacaville, California. University of California Publications, Bulletin of the Department of Geological Sciences 14(8):289-318
Description
The length of the shell attains 4.7 mm, its diameter is 2.3 mm. Distribution This extinct marine species was found in Middle Eocene strata in California.
References
External links Worldwide Mollusc Species Data Base : Mangelia vacavillensis