Search results
Results from the WOW.Com Content Network
Any fossils, including fossil shark teeth, are preserved in sedimentary rocks after falling from their mouth. [13] The sediment that the teeth were found in is used to help determine the age of the shark tooth due to the fossilization process. [15] Shark teeth are most commonly found between the Upper Cretaceous and Tertiary periods. [16]
Helicoprion is an extinct genus of shark-like [1] eugeneodont fish. Almost all fossil specimens are of spirally arranged clusters of the individuals' teeth, called "tooth whorls", which in life were embedded in the lower jaw.
TigerSharks is an American animated children's television series developed by Rankin/Bass and distributed by Lorimar-Telepictures in 1987. The series involved a team of heroes that could transform into amalgams of human and marine animals and resembled the series ThunderCats and SilverHawks, also developed by Rankin/Bass.
Two marine biologists share 10 shark facts for kids, as well as why shark attacks happen and why sharks are essential to human survival.
A young shark enthusiast vacationing with his family in Myrtle Beach, South Carolina, stumbled upon the find of a lifetime -- a tooth belonging to the largest shark to ever exist.
The really dark shark teeth, Dunn said, are millions of years old and more commonly found. The lighter teeth, beige or pearly in color, fell out more recently.
Representations of the shark are common in popular culture in the Western world, with a range of media generally portraying them of eating machines and threats.In some media, however, comedy is drawn from portrayals of sharks running counter to their popular image, with shark characters being portrayed as unexpectedly friendly or otherwise comical.
Ancient shark teeth are considered historical artifacts and must be turned over to the National Park Service if found at Cape Lookout or Cape Hatteras national seashores, officials said. If park ...