Imagine a world where forests stretched endlessly, and strange, powerful beasts prowled the land—creatures so fierce and mysterious, they almost seem plucked from a fevered dream. Among these ancient ...

This is a reconstruction of the early Eocene (52 million-year-old) fauna that inhabited the rainforest around a northern British Colombia lake. The tapiroid Heptodon drinks in the shallows ...

However, due to rapid regeneration capacity, the tropical evergreen forest recovered gradually ... episodes in the past like the Paleocene–Eocene thermal maximum (PETM) about 56 million years ...