Turonia

Turonia is an extinct genus of sea sponges belonging to the class Demospongiae.

Fossil records
This genus is known in the fossil record of the Cretaceous of France, Germany, Poland and Spain (about 125 to 66 million years ago).

Species

 * Turonia cerebriformis Schrammen 1910
 * Turonia constricta Zittel 1878
 * Turonia globosa Wagner 1963
 * Turonia induta Zittel 1878
 * Turonia variabilis Michelin 1847 (type species)