When giant mushrooms ruled the Earth
A fungus called Prototaxites towered more than 24 feet (8m) over most of the land plants of the Silurian Period and was as much as three feet (1m) wide.
A fungus called Prototaxites towered more than 24 feet (8m) over most of the land plants of the Silurian Period and was as much as three feet (1m) wide.