A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

Life reconstruction of Platysomus, with open mouth showing toothplate on the floor of the mouth supported by gill bones. ANN ARBOR—A University of Michigan researcher helped identify the earliest ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The new species, Acronichthys maccognoi, shows early ...