Archaeologists have uncovered the remains of the oldest mummy ever foundin Peru’s capital, Lima — a high-ranking official of the Huari tribe who lived about 1,300 years ago.

Researchers said the tombs, which contain human remains, are likely around 2,900 years old—dating back to before the Wari, or Huari, culture.

Taddeo Barchitta, 74, had a collection that included colorful textiles from the Huari culture that dated to 800 AD, a shell used by the Moche civilization as early as 350 AD and ceramics made by ...