celestialcephalopoda:More prehistoric whalessss, because their evolutionary development is probabl
celestialcephalopoda: More prehistoric whalessss, because their evolutionary development is probably the most impressive of all modern mammals. <3 -- source link
#evolution#pakicetus#rodhocetus#ambulocetus#zygorhiza#maiacetus#protocetus#protocetid#pakicetid#basilosaur