A new reconstruction of the 375-million-year-old fossil fish Tiktaalik -- a close relative of limbed vertebrates -- used micro-CT to reveal bones still embedded in matrix. The reconstruction shows ...

PHILADELPHIA — The recent discovery above the Arctic Circle of remarkably well preserved fossils from a new species of ancient fish provides a key marker in the evolutionary transition of fish to ...

Digital reconstruction of tiny, 400-million-year-old jawless fish shows how traits for evading predators later gave rise to hunters A fossil the size of a fingernail is rewriting the opening chapter ...

New reconstruction of the skeleton of the 375-million-year-old fossil fish, Tiktaalik roseae. In a new study, researchers used Micro-CT to reveal vertebrae and ribs of the fish that were previously ...

Fossilized fish found in Australia are so well preserved that paleontologists can see what the creatures ate for their last meals roughly 15 million years ago. They described the fish—which belong to ...

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 ...