Brown-tip mangelia
Kurtziella atrostyla, common name the brown-tip mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
The length of the shell varies between 3 mm and 9 mm.
K. atrostyla can be found in the Atlantic Ocean, the Gulf of Mexico and the Caribbean Sea, ranging from the coast of North Carolina south to Quintana Roo.
It has also been as a fossil found in Quaternary strata in Louisiana, USA.