Tympanotonos Temporal range: Cretaceous - Recent PreꞒ Ꞓ O S D C P T J K Pg N
Fossil shell of Tympanotonus margaritaceum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Sorbeoconcha
Superfamily:	Cerithioidea
Family:	Potamididae
Genus:	Tympanotonos Schumacher, 1817[1][2]
Synonyms
Potamides (Tympanotonus) Agassiz, 1846 Tympanotomus Gray, 1840 † Tympanotonos (Eotympanotonus) Chavan, 1952 · accepted, alternate representation Tympanotonus Agassiz, 1846 (unjustified emendation) [2]

Tympanotonos is a genus of snail living in brackish water, a gastropod mollusk in the family Potamididae.^[2]

Species within this genus include:^[2][3]

• † 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).

• Kiel S. (2003) New taxonomic data for the gastropod fauna of the Umzamba Formation (Santonian–Campanian, South Africa); Cretaceous Research 24 (2003) 449–475

• DANIELA ESU and ODOARDO GIROTTI THE LATE OLIGOCENE MOLLUSCAN FAUNA FROM OTRANTO (APULIA, SOUTHERN ITALY): AN EXAMPLE OF ALTERNATING FRESHWATER, LAGOONAL AND EMERGED ENVIRONMENTS
• Geocities - Potamidae