Scientists discovered a bizarre 275-million-year-old aquatic animal with sideways teeth and a twisted jaw in Brazil, revealing a rare “living fossil” lineage from the Permian period. Scientists discovered a bizarre 275-million-year-old aquatic animal with sideways teeth and a twisted jaw in Brazil, revealing a rare “living fossil” lineage from the Permian period. Scientists discovered a bizarre 275-million-year-old aquatic animal... [446 chars]