Scientists stunned after 330-million-year-old shark teeth discovered from Ireland’s ancient limestone |
Crusher tooth of fossil shark Psephodus magnus (6cm long) discovered by Emma Glanville (NPWS) in the Burren National Park. Image Credit: Eamon Ward The grey aged limestones of Burren, located in County Clare, feel like stepping into another world. The attraction lies in the rarity of Arctic flowers, or the hypnotic stillness of the karst…