Corbiculidae
Grobgerippte Asian clam ( Corbicula fluminea )
The clams ( Corbiculidae ) family includes several genera of freshwater mussels, including the eponymous main genus Corbicula (see clams ( genus ) ). The oldest representative of the family are from the Carnian ( Upper Triassic ).
Occurrence in Europe
In the Pleistocene, representative of the family of clams were also widespread in Central Europe. Shells of this period can be found in the Mainz Basin and the Netherlands. With the end of the last ice age, around 11,000 years ago, the members of the genus Corbicula in Europe died out. In the 20th century, but they were introduced in Europe (for more details see under Asian Asian clam ).
System
To classify the clams in the shell systematics see under classification of shells. The family includes the following genera Corbiculidae:
- Batissa, Malaysia and Indonesia
- Corbicula, originally native to Central and Southeast Asia, and Central and South Africa, since the 20th century as entrained neozoon in America and Europe
- Corbiculina, eastern Australia
- Cyrenodonax, South China, Vietnam
- Cyrenobatissa, North Vietnam
- Egetaria, Atlantic coast of South America
- Geloina, South Asia and Malaysia
- Neocorbicula, Gulf of Mexico and Atlantic coast in the north of South America
- Polymesoda, Gulf of Mexico and Atlantic coast of North America
- Pseudocyrena, some lying around the Caribbean parts of Central America
- Solielletia, Ethiopia
- Villorita, eastern parts of South America