Trigonias (Greek: "triangular" (trigonos), "ias" [denotes possession]) is an extinct genus of rhinoceros from the late Eocene (Chadronian) some 35 million years ago of North America.
Trigonias (Greek: "triangular" (trigonos), "ias" [denotes possession]) is an extinct genus of rhinoceros from the late Eocene (Chadronian) some 35 million years ago of North America.