Theodoxus niloticus is a species of freshwater snail with a gill and an operculum. It is an aquatic gastropod mollusk in the family Neritidae, the nerites.
Distribution Distribution of this species include Egypt and Sudan.
The type locality is the Nile in Egypt.Brown D. S. (1994). Freshwater Snails of Africa and their Medical Importance. Taylor & Francis. .
Description The length of the shell is .
There are two apophyses on its operculum.
Ecology It lives in slow running waters.
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