出典:Wikipedia
出典:『Wikipedia』 (2011/06/05 19:33 UTC 版)
Robertia was a small, primitive dicynodont, and among the earlier members of this group. The type species R. broomiana was named in 1981. It is known from the Tapinocephalus Assemblage Zone of the South African Karoo, and was about 20 centimetres (8 in) in length.