Malmooth Conglomeration
From Tardis Wiki, the free Doctor Who reference
The Malmooth Conglomeration was the organic home of the Malmooth race located on Malcassairo. It somehow died out by the year 100,000,000,000,000. The Tenth Doctor, Martha Jones and Jack Harkness caught sight of the city before being chased by the Futurekind. (TV: Utopia)