text: * Bannock Basin in Levantine Sea, eastern Mediterranean Sea;
  * Black Sea Basin, off eastern Europe, below 50 metres (150 feet);
  * Caspian Sea Basin, below 100 metres (300 feet);
  * Cariaco Basin, off north central Venezuela;
  * Gotland Deep, in the Baltic off Sweden;
  * L'Atalante basin, eastern Mediterranean Sea
  * Mariager Fjord, off Denmark;
  * Orca Basin, northeast Gulf of Mexico;
  * Saanich Inlet, off Vancouver Island, Canada;