Two newly identified dinosaurs donned weird horns
Grooves, spiky shield not previously seen in Triceratops relatives
![Machairoceratops cronusi and Spiclypeus shipporum](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/06/070916_notebook_dinos_free.jpg?fit=860%2C460&ssl=1)
DOUBLE TROUBLE Researchers have discovered two new species of dinosaurs with unusual horns.
Mark Witton; Mike Skrepnick
Grooves, spiky shield not previously seen in Triceratops relatives
DOUBLE TROUBLE Researchers have discovered two new species of dinosaurs with unusual horns.
Mark Witton; Mike Skrepnick