In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark.
Deep within Mammoth Cave, the world’s longest cave system, paleontologists have uncovered the remains of a never-before-seen species of ancient shark. Named Clavusodens mcginnisi, or McGinnis’ nail ...
Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...
Fieser, L. F., and Fieser, M., Natural Products Related to Phenanthrene (third ed.), 204 (Reinhold, New York, 1949). Fieser, L. F., and Fieser, M., Steroids, 177 ...