Among the most striking and interesting of extinct mammals is the so-called marsupial lion of Australia, or Thylacoleo carnifex… A lion-sized predator whose fossils are known from Western Australia, Northern Territory, South Australia, Queensland, New South Wales and Victoria – that is, from right across the country – Thylacoleo had a remarkably powerful skull and very strong bite (Wroe et al. 2005) and extremely odd teeth when compared to placental predators like big cats. It was big, data...