Mammoth Cave National Park recently identified a new and extinct species of ancient shark with a petal shaped tooth discovered in the cave ceiling. This species was named Strigilodus tollesonae, or Tolleson's Scraper Tooth, after the park guide who helped discover it.
Mammoth Cave National Park recently identified a new and extinct species of ancient shark with a petal shaped tooth discovered in the cave ceiling. This species was named Strigilodus tollesonae, or Tolleson's Scraper Tooth, after the park guide who helped discover it.
Mammoth Cave National Park recently identified a new and extinct species of ancient shark with a petal shaped tooth discovered in the cave ceiling. This species was named Strigilodus tollesonae, or Tolleson's Scraper Tooth, after the park guide who helped discover it.
While the land and underground passageways of Mammoth Cave National Park are now traversed by tourists, guides and the occasional bat, millions of years ago the region was more popular