Pseudocellus mitchelli is an arachnid species in the order Ricinulei. It is endemic to caves in Durango, Mexico. The specific epithet is a tribute to cave biology specialist Robert W. Mitchell.
References
Gertsch, 1971 : Three new ricinuleids from Mexican caves (Arachnida, Ricinulei). Association for Mexican Cave Studies bulletin, n. 4, p. 127-135