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Eurhinodelphis' ("well-nosed dolphin") is an extinct genus of Miocene cetacean. Its fossils have been found in France, Belgium, Maryland and California.

DescriptionEdit

Eurhinodelphis was around 2 metres (6.6 ft) in length. In most respects, it would have looked like a modern dolphin or porpoise, but its upper jaw was elongated into a sharp tip similar to that of a swordfish. Most likely, Eurhinodelphis used it in a similar manner to swordfish, hitting or stabbing prey. It also had long, sharp teeth.[1]

Compared with earlier fossil species, Eurhinodelphis had complex ears, suggesting that it already hunted by echolocation like modern whales. Its brain was also asymmetrical, a trait found in modern dolphins, and possibly associated with the complexities of navigating its environment.[1]

Eurhinodelphis was closely related to the orca-sized Macrodelphinus.

HistoryEdit

Eurhinodelphis was first described by B. Du Bus in a paper read before the Royal Academy of Sciences of Belgium on 17 December, 1867. O. Abel studied and illustrated the European species in a series of articles published in 1901, 1902 and 1905; subsequently, fossil skulls found in the Calvert Formation in Maryland and Virginia could be attributed to this genus.

ReferencesEdit

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