CollectA EiniosaurusCollectA Einiosaurus CollectA Model 88776 Product Dimensions: 11. 9 x 2. 5 x 5. 6 cm Age: 3 years and up The Einiosaurus was a herbivorous dinosaur that lived during the Late Cretaceous period. One of its most defining features was the forward curving horn on its nose, which resembled the shape of a bottle opener. This distinct horn, coupled with the dinosaur's frill adorned with bony projections, made the Einiosaurus a uniquely recognizable dinosaur.