Sayella fuscaSayella fusca, common name the brown sayella, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Pyramidellidae, the pyrams and their allies.DescriptionThe length of the shell varies between 3 mm and 6 mm. Except for microscopic spiraling lines, it's surface is smooth, and they are a translucent amber brown color.DistributionThis species occurs in the following locations: Caribbean Sea : Cuba, Puerto Rico Gulf of Mexico : Mexico Northwest Atlantic Ocean : Prince Edward Island, Canada; Gulf of Maine