Fontigens aldrichi (Call & Beecher, 1886)
Animalia | Mollusca | Gastropoda | Littorinimorpha | Fontigentidae | Fontigens | Fontigens aldrichi
dead leaves and underside of small rocks
5.5 mi. SE of St. James, Maramec Spring Park, Maramec Spring Branch, at bridge which has sign that registers the spring flow