The Spinosaurus thigh bone (left) was thin sectioned with a diamond saw (middle) to reveal under magnification its bone structure (right). Disclaimer: AAAS and EurekAlert! are not responsible for ...
Alternet on MSN5d
Fossilized footprints reveal 2 extinct hominin species living side by side 1.5 million years agoDeep, sand-filled depressions to his left show hippopotamus tracks in cross section. Anna K. Behrensmeyer We collected ...
Studying bromalites helped paleontologists piece together how the reptiles came to rule a part of the prehistoric world.
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