Barytherium

...The Elephantidae ( Stegodon , Mammoth , and modern elephants) that appeared in the Miocene lacked lower tusks, had high crowns on their molars, and had many horizontal ridges on their biting surfaces, making them suitable for eating grass and other hard plants. The Barytherium family ( Barytherium ), which lived in the Eocene to Oligocene of Africa, had large lower incisors and molars similar to those of Meritherium, but the fossils are poor and details are unknown. There is also a theory that it was not a proboscidean. ...

*Some of the terminology explanations that mention "Barytherium" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…中新世に現れたゾウ科(ステゴドンStegodon，マンモスMammuthus，現生のゾウ)は下のきばを欠き，臼歯の歯冠部が高く，咬面に多数の横畝があり，草その他の硬い植物を食べるのに適する。　アフリカの始新世～漸新世のバリテリウム科(バリテリウムBarytherium)は下の切歯が大きく，臼歯がメリテリウムに似るが，化石が貧弱で詳しいことがわからない。長鼻類でないとの説もある。…

※「Barytherium」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報