There is a cave in which the remains of a large number of animals are found, many of which have only entered the cave by coincidence. Among them is the Javan one-horned rhinoceros, which now no longer occurs this far east on Java. - Sampung, 7.48 S, 111.21 E, west of Ponorogo
Sampung cave
Remains of Rhinoceros sondaicus: number of molars, 4 poorly preserved mandibular incisors, belonging to at least 3 specimens because there are 2 left upper m3, 1 deciduous upper, and 3 deciduous lower teeth from a young animal. The molars are normal size, but the incisors are rather heavy.
Bok 1940 - Java
Djetis fauna - old pleistocene - Rhincoeros cf. sondaicus
Trinil fauna - mid pleistocene - R. sondaicus = R. sivasondaicus Dub., Rh. kendengindicus Dub.
Ngandong fauna - young pleistocene - R. sondaicus.
