Source: South China Morning PostThe 300 million-year-old shark’s teeth were the first sign that it might be a distinct species.The ancient chompers looked less like the spear-like rows of teeth of related species. They were squatter and shorter, less than an inch long, around 2cm.“Great for grasping and crushing prey rather than piercing prey,” said discoverer John-Paul Hodnett, who was a graduate student when he unearthed the first fossils of the shark at a dig east of Albuquerque in 2013.3D models below created by …Read More