The evolution of dolphins, or Delphinus, is believed to have started with the Pakiectus, a four legged, land walking mammal. The Pakiectus dates back to approximately 50 million years ago. Throughout the centuries, these animals have gone through drastic changes to become the modern day dolphin.
Dec 6, 2019
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The genus Tursiops, which bottlenose dolphins belong to, first appeared in the fossil record about five million years ago. Movie clips on the evolution of ...
Apr 16, 2009 · Cetaceans (whales, dolphins, and porpoises) are an order of mammals that originated about 50 million years ago in the Eocene epoch.
Dolphins have ancestral connections to terrestrial mammals. There is much research to indicate that this is with the Artiodactyl order and it is believed that ...