An extinct primate postulated from bones found in Java in1891 and originally designated Pithecanthropus erectus because it was thought to represent a species evolutionarily between apes and human beings. Pithecanthropus is now classified as Homo erectus.

• 爪哇猿人一绝种的猿人，据1891年爪哇发现的骨头推测出，因为认为它可能属于一种介于猿与人之间的物种，所以早先将其认定为爪哇直立猿人。现在这种猿人被归为直立人