They belong to the upper Eocene formation of the London and Hampshire basins (England), and derive their name from Bagshot Heath in Surrey; but they are also well developed in Hampshire and the Isle of Wight.
They belong to the upper Eocene formation of the London and Hampshire basins (England). They derive their name from Bagshot Heath in Surrey. They are also well developed in Hampshire. They are also well developed in the Isle of Wight.