A new species of fossil.

Breaking News "Gunma Prefecture".

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Fossil found at natural history museum identified as new genus and species.

On the 16th, the Gunma Prefectural Museum of Natural History in Tomioka City announced that dolphin head fossils discovered in Annaka City and Tochigi Prefecture

were a new genus and species of the Siberian river dolphin family.

Based on the age of the strata, the Annaka fossil is the oldest Siberian river dolphin fossil in the world, dating back approximately 11 million years.

As it is more than 1 million years older than the oldest fossil found to date, found in California, USA,

the Gunma Prefectural Museum of Natural History pointed out that it may have originated in Asia.

The research results were described as "important in considering origins and evolution."