Ichetucknee siltsnail
The Ichetucknee siltsnail, also known as the sand grain snail, scientific name Floridobia mica,  is a species of small freshwater snail, an aquatic gastropod in the family Hydrobiidae. This species is endemic to Ichetucknee Springs in Florida.

References

Molluscs of the United States
Floridobia
Hydrobiidae
Gastropods described in 1968
Taxonomy articles created by Polbot