The paleontological database was a database of paleontological information, containing information such as the genetic information of prehistoric life on Earth.

Discovering 47 shared genetic markers between Humans and the Voth, the Doctor checked the USS Voyager's paleontological database and found the shared genetic markers were present in hundreds of Earth species dating back tens of millions of years, implying the Voth had originated on Earth. (VOY: "Distant Origin")

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