• The Historic Entrance of Mammoth Cave

    Mammoth Cave

    National Park Kentucky

Other Invertebrates (corals, sponges, worms, etc.)

Nature and Science

Planaria in a cave stream

Common organisms living within the sediments of Mammoth Cave streams are nematodes or roundworms (undescribed), copepods (Maraenobiotus, Moraria, Nitocra, and Parastenocaris), tardigrades (Macrobiotus), and oligochaete worms (Aeolosoma).

Did You Know?

Soda straw stalactite

Stalactites grow downward – they hang "tight" to the ceiling – while stalagmites grow upward – they "might" reach the ceiling someday. Mammoth Cave's formations include many types of calcite formations.