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First Cretaceous Amber Fossils Found in South America Preserve 112-Million-Year-Old Insects

Inclusions from Ecuador point to humid Equatorial Gondwana forests with early flowering plants.

Overview

  • Researchers examined about 60 amber pieces from the Hollín Formation in Ecuador's Oriente Basin.
  • They identified 21 bio-inclusions, including midges, beetles, parasitic wasps, whiteflies, and a fragment of spider web.
  • The material dates to roughly 112 million years ago, making it among the oldest amber occurrences known from the continent.
  • The team interprets the assemblage as evidence of humid forest conditions with freshwater microhabitats such as ponds.
  • The study was led by the University of Barcelona, published in Communications Earth & Environment, and publicized by the Senckenberg society.