Tympanotonos

Tympanotonos is a genus of snail living in brackish water, a gastropod mollusk in the family Potamididae.

Extant and extinct species
Species within this genus include:
 * † Tympanotonus calcaratus (Grateloup, 1840)
 * † Tympanotonus conarius (Bayan, 1873)
 * Tympanotonos fuscatus  (Linnaeus, 1758) (the only extant species)
 * † Tympanotonus margaritaceum (Brongniart)
 * † Tympanotonos redoniensis Van Dingenen, Ceulemans & Landau, 2016
 * † Tympanotonus semperi (Deshaye, 1864)
 * † Tympanotonos stroppus Brongniart 1823

Fossils species within this genus can be found in sediment of Europe, United States, South Africa, Japan, Venezuela and Indonesia from Cretaceous to Quaternary (age range: 84.9 to 0.012 Ma).