Tiny beetle-like borings in 70-million-year-old titanosaur fossils reveal hidden ecological interactions, reshaping our understanding of prehistoric decay and fossilization processes.

First-ever beetle borings found in titanosaur bones from Spain’s Lo Hueco site

Structures suggest beetles fed on decaying tissue 70 million years ago

Study redefines how we interpret fossil preservation biases

Offers new tools to identify ecological relationships in extinct ecosystems

The borings represent the oldest known beetle damage on titanosaur bones—predating previous records by 30 million years.

Beetle Traces in 70-Million-Year-Old Titanosaur Bones Rewrite Fossil History