WASHINGTON: Scientists from the Smithsonian’s Nationwide Museum of Pure Historical past and the Smithsonian Tropical Analysis Institute acquire the fossils of Isthminia panamensis, a brand new fossil dolphin, from the Caribbean coast of Panama on 18 June 2011.
With these traits not fully exhibited in the fossil, as well as the findings of other fossils from creatures near the skeletal remains, researchers speculate that this extinct species most likely hunted near the coast, in salty waters.
The new species and genus, classified as Isthminia panamensis, was discovered in Panama. However, as UPI pointed out, the new fossil indicates that there used to be myriad river dolphin species in many places throughout the world. “Isthminia now provides us a transparent boundary in geologic time for understanding when this lineage invaded Amazonia”.
Today there are only four species of river dolphins―all living in freshwater or coastal ecosystems and all endangered, including the Yangtze river dolphin, which is likely now extinct.
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