Einiosaurus
Einiosaurus is a genus of herbivorous dinosaur that lived in the Cretaceous period in northeastern North America. Its relatives are Triceratops, Styracosaurus, Utahceratops, etc. The smallest ceratopsian was Protoceratops which was the size of a pig. Einiosaurus was a group-living herbivorous dinosaur of the Ceratopsidae family. Einiosaurus had 3 horns that it used to defend itself from carnivores. But its relative, Styracosaurus had 7 horns. The largest ceratopsian dinosaur was Utahceratops with a length of almost 3m.
Einiosaurus Media
Postorbitals of Einiosaurus procurvicornis (C and D). (C) MOR 373-6-26-6-3, articulated right prefrontal, palpebral, and postorbital in lateral view; (D) MOR 373-6-24-6-4, right postorbital in lateral view. Abbreviations: bpoh, base of postorbital horncore; poh, postorbital horncore. Scale bars equal 10 cm.
Size comparison with human
Einiosaurus procurvicornis, a ceratopsian from the Late Cretaceous of Montana, pencil drawing, digital coloring
Nasal bones of younger individuals in the top row and older individuals in the bottom row
Parietal frill bones including holotype (A)
Restoration of Einiosaurus and Maiasaura in environment
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