The shell of Endodonta christenseni is lenticular, about 2.3 mm tall and 4.7 mm wide, with an umbilicate structure. Its trapezoidal aperture is partly blocked by 7–10 lamellar barriers. The shell color ranges from yellow-brown to reddish-brown with irregular patterns. It feeds on fungi, aiding spore dispersal, and helpsbreak downleaf litter. They also provide a food source for birds.