A new species of extinct dwarf dolphin that lived about 30 million years ago (Oligocene epoch) and possessed adaptations for suction feeding has been identified from a fossil found in the Wando River in Charleston, South Carolina. A rendering of Inermorostrum xenops. Image credit: Robert Boessenecker. Named Inermorostrum xenops, the newfound dolphin provides new evidence of the evolution of feeding behavior in cetaceans (whales, dolphins and porpoise). It...
