''Tympanotonos'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

snail A snail is, in loose terms, a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gastro ...

living in

brackish water Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estua ...

, a

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Potamididae ''Potamididae'', common name potamidids (also known as horn snails or mudwhelks) are a family of small to large brackish water snails that live on mud flats, mangroves and similar habitats. They are amphibious gastropod molluscs in the superfami ...

Extant and extinct species

Species within this genus include:Fossilworks
/ref> * † '' Tympanotonus calcaratus'' (Grateloup, 1840) * † '' Tympanotonus conarius'' (Bayan, 1873) * ''

Tympanotonos fuscatus ''Tympanotonos fuscatus'', the West African mud creeper, is a species of snail living in brackish water, a gastropod mollusk in the family Potamididae. ''Tympanotonos fuscatus'' is the only extant species in the genus ''Tympanotonos''. Descri ...

'' (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 Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...

and

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

from

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...

Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...

(age range: 84.9 to 0.012 Ma).

References

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

External links

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

Potamididae Extant Cretaceous first appearances {{Potamididae-stub