1. plural of paleoecology; the study of ancient ecosystems, organisms, and their interactions based on fossil evidence and geological records.
Usage: scientific; academic; also spelled palaeoecologies in British English

Examples

• Paleoecologies of the Cretaceous period reveal how dinosaurs coexisted with early flowering plants.
• Researchers study paleoecologies by analyzing fossilized pollen, bones, and sediment layers.
• The paleoecologies of ancient coral reefs provide insights into climate change over millions of years.
• Understanding paleoecologies helps scientists predict how modern ecosystems might respond to environmental shifts.
• Paleoecologies from the Permian extinction event show dramatic changes in species composition.