Ancient caviar

"Few families of plants or animals have survived more geological upheaval than the Acipenseridae. Sixty-six million years ago, when the Chicxulub asteroid hit what is today known as the Yucatán, Acipenseriformes swam the warm sea that bisected North America."

https://www.nytimes.com/2023/02/02/magazine/they-outlasted-the-dinosaurs-can-they-survive-us.html