Limaria, the file shells or file clams, is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 bivalve molluscs in the family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Limidae

Limidae

Limidae is the only family of bivalve molluscs in the order Limoida.-Genera:* Acesta H. and A. Adams, 1858* Divarilima Powell, 1958* Escalima Iredale, 1929 * Lima Bruguière, 1789 * Limaria Link, 1807 * Limatula S. V. Wood, 1839...

.

Description

The shells are thin, inequilateral, moderately inflated, gaping both anteriorly and posteriorly. The hinge is edentulous (without hinge teeth).

The soft parts are usually bright red, and many tentacles protrude from the open valves.

Species

Species within the genus Limaria include:

• Limaria hians (Gmelin
  Johann Friedrich Gmelin
  Johann Friedrich Gmelin was a German naturalist, botanist, entomologist, herpetologist and malacologist.- Education :Johann Friedrich Gmelin was born as the eldest son of Philipp Friedrich Gmelin in 1748 in Tübingen...
  
  , 1791)
• Limaria loscombi (G. B. Sowerby, I, 1823)
• Limaria orientalis
  Limaria orientalis
  Limaria orientalis, or the file shell, is a bivalve mollusc of the family Limidae.- Further reading :* Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1...
  
  (Adams & Reeve
  Lovell Augustus Reeve
  Lovell Augustus Reeve was an English conchologist.Lovell Augustus Reeve was initially apprenticed to a grocer of Ludgate Hill between 1827 and '34...
  
  , 1850)
• Limaria pellucida (C. B. Adams, 1846) - Antillean fileclam