Perplexing fish-like fossil finally classified (IMAGE) Australian National University Caption Scan of fish-like fossil vertebrate Palaeospondylus gunni Credit Tatsuya Hirasawa / RIKEN Usage Restrictions Credit required to Evolutionary Morphology Laboratory RIKEN Cluster for Pioneering Research License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.