Permian

New fossil evidence suggests that embolomeres did not undergo a metamorphosis the way that modern amphibians do when growing up, which challenges a long-standing scientific belief that amphibians, reptiles, and mammals evolved from animals that had a tadpole stage. Image credit: Berit Godring.

June 20, 2026

Paleontologists from the Field Museum of Natural History have described the fossilized remains of baby embolomeres, crocodile-like predators…

SScience

Captorhinus aguti. Image credit: Michael DeBraga.

April 9, 2026

Paleontologists have examined 289-million-year-old specimens of the early reptile Captorhinus aguti that preserve a covering of three-dimensional skin,…

Earth’s First Land Animals May Never Have Been Amphibian-Like After All

Permian Fossil is Earliest Evidence of Rib-Powered Breathing