Fossil feces point to a shark attack 15 million years ago
Shark evolution, Fossil Wiki
Giant monster Megalodon sharks lurking in our oceans: be serious
150-million-year-old fossil illuminates shark evolution
Great Whites May Have Contributed to Extinction of Megalodon Sharks
Marine Fossils - Crystalinks
Great White Sharks Feast at the Seal Buffet Before Heading Out to Sea
Our Research – Page 36 – Research News
Hunting the largest shark ever in ancient Alabama
Diversity, Free Full-Text
Vertebrate Paleontology – Page 8 – Research News
Prehistoric Sharks - Shark Origins and Evolution
Fossil dig leads to unexpected discovery of 91-million-year-old shark new to science
Marine Fossils - Crystalinks
Megalodon: The Monster Shark's Dead