👉 Nyctipithecus is a genus of mammals that belongs to the family Rhindidae, which includes the extinct species Nyctopithecus. This group of mammals was first recognized in 1934 by the German paleontologist Hans Heinrich von Soden as a separate group from other members of the Rhindidae. The genus is named after the Greek term nyctium (night), which likely alludes to the nocturnal lifestyle of this species,