AraeodelphisAraeodelphis is an extinct genus of river dolphin from the early Miocene of the East Coast of the United States.FossilsRemains of Araeodelphis are known from the early Miocene Burdigalian-age Plum Point Member of the Calvert Formation in Maryland.PhylogenyCladistic analysis by Godfrey et al. recovers Araeodelphis as basal to the South Asian river dolphin the platanistid subfamily Pomatodelphinae.