And, as the research team explain in their paper, which was recently published in the Journal of Palaeontology, it concerns ...

As there are no fossils of these animals from this period of time, this is based solely on the DNA and molecular evidence of modern sharks and chimaeras. It was also around this time that the first ...

and published studies describing the shark-like characteristics of the paired spines in front of fossil’s pectoral fins, and how the skeleton’s overall shape was strongly reminiscent of that of a ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week. This is ...

Fig. 3: Diversity curve of neoselachians (modern sharks and rays and the extinct synechodontiform sharks) from the Triassic to the Holocene in millions of years. The curve shows "sampling ...

While cartilaginous fish like sharks and rays are known to use sound for communicating, tracking prey, and for safely moving underwater, they are not known for producing sounds voluntarily.

At the forefront of hit movies like “Jaws,” “47 Meters Down” and “Sharknado,” sharks are often represented as fearsome, dangerous creatures — despite posing a statistically low risk to humans.