whale lagoon | whale cooking Whale Whales are descendants of land-dwelling mammals of the artiodactyl purchase (even-toed ungulates). They are relevant to the Indohyus, an vanished chevrotain-like ungulate, from which they will split approximately 48 mil years ago.|19||20| Primitive cetaceans, or archaeocetes, first took to the sea about 49 million years ago to become fully aquatic 5-10 , 000, 000 years later. What identifies an archaeocete is the existence of anatomical features unique to cetaceans, alongside various other primitive features not seen in modern cetaceans, such as obvious legs or asymmetrical teeth.|21||22||23||9| Their features became adapted for living in the marine environment. Major biological changes included their reading set-up that channeled shocks from the jaw to the earbone (Ambulocetus 49 mya), a streamlined body and the regarding flukes on the tail (Protocetus 43 mya), the alpage of the nostrils toward the top...
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