Forbes contributors publish independent expert analyses and insights. Márquez is a marine scientist and science communicator Young‐of‐the‐year specimen of the daggernose shark, Isogomphodon ...

More than 30 million years ago, scientists believe that 20 to 30 feet of salt water covered Aiken and much of the surrounding area. In that sea swam sharks, rays and other creatures, and their ...

The ancient shark, which belongs to the family of daggernose sharks, was discovered among thousands of fossil fragments and teeth. The shark was dubbed Isogomphodon aikenensis after Aiken County where ...

The Brazilian Guitarfish (Pseudobatos horkelii), Largetooth Sawfish (Pristis pristis) and Daggernose Shark (Isogomphodon oxyrhynchus) are among the Brazilian elasmobranchs facing increased risk of ...

Two South Carolina researchers have discovered a species of prehistoric shark, along with dozens of other fossils from prehistoric sea creatures. David Cicimurri, curator of the South Carolina State ...