USFWS Pacific Southwest Region:
A Hardy pyrg, a type of springsnail, in a Nevada spring.
USFWS Pacific Southwest Region:
A Hardy pyrg, a type of springsnail, on the tip of a person's finger.
USFWS Pacific Southwest Region:
A Hardy pyrg, a type of springsnail, in a Nevada spring.
USFWS Pacific Southwest Region:
Kings River pyrg
USFWS Pacific Southwest Region:
Kings River pyrg