Diceros is more closely related to the genus
Ceratotherium (which contains the
white rhinoceros) than it is to other living rhinoceroses, with the clade containing the two comprising the tribe
Dicerotini (also spelled Diceroti) or subtribe Dicerotina. which has also been assigned to
Diceros in some studies. dating to around 17-18 million years ago. It is only known from fragmentary remains, and its assignment to the genus, and even to Dicerotini have been questioned by other authors. Other species assigned to the genus include
Diceros praecox from the Late Miocene (from about 7 million years ago) and the Pliocene of Sub-Saharan Africa.
Diceros primaevus is known from the Late Miocene (c. 12-10 million years ago) of Algeria.
The species Diceros gansuensis'' has been reported from the Late Miocene of China, dating to around 10 million years ago. ==References==