Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scaly snail anatomy. (A) Whole animal, showing the shell and foot. (B) Whole animal, showing anatomical features, including the underside of the foot (f), metal-rich (pyrite and greigite) scales covering the foot (sc), and the cephalic region (c). Note that the black shell is not pyritized but made of aragonite (46).
