The most ancient gymnotiform fossil discovered to date is Humboldtichthys kirschbaumi, which dates to the Upper Miocene period, approximately 8 to 10 million years ago, and was found in Bolivia.

Authors

• Person: Not available Organization: PLOS ONE
  Comparable Ages for the Independent Origins of Electrogenesis in ...

Sources

• Comparable Ages for the Independent Origins of Electrogenesis in ... journals.plos.org PLOS ONE via serper

Referenced by nodes (1)

• Bolivia location