Liam Elward Paleoart - Head detail of Triceratops horridus. The horns (& possibly the frill & most of the head) were sheathed in keratin. Like living animals, the horn may have extended
![Mark P. Witton's Blog: Can we predict the horn shapes of fossil animals? A thought experiment starring Triceratops Mark P. Witton's Blog: Can we predict the horn shapes of fossil animals? A thought experiment starring Triceratops](https://3.bp.blogspot.com/-MA_-4vJCmkk/WgmKTvYRtxI/AAAAAAAAC7A/szrO73uDonULz65r5ftvMhmyOnAhVufegCK4BGAYYCw/w1200-h630-p-k-no-nu/Triceratops%2Bshingleback%2BWitton%2B2017%2Blow%2Bres.jpg)
Mark P. Witton's Blog: Can we predict the horn shapes of fossil animals? A thought experiment starring Triceratops
![Triceratops Rare Fossil Horn 65 Million Years Old Massive w/ Mount T Rex - for sale | modernartifact Triceratops Rare Fossil Horn 65 Million Years Old Massive w/ Mount T Rex - for sale | modernartifact](https://modernartifact.com/cdn/shop/products/ba0184650565a2b4ec2bf7f400115b05_1024x1024.jpg?v=1571449228)