Isthminia panamensis: Fossil of River Dolphin that Lived 6 MY Ago Found in Panama

The fossil of a freshwater river dolphin that lived 5.8 – 6.1 million years ago has been found in Panama. The fossil, which is that of a new genus and species, was found on the Caribbean coast near the town of Piña. It consists of half a skull, lower jaw with an almost entire set [...] —> Read More