The 2011 Mussels of the Month.
December 2011
 Acuticosta chinensis (Unionidae, Indotropical)
The December 2011 Mussel of the Month is Acuticosta chinensis. Acuticosta is a genus of six species from the Yangtze River in China. |
November 2011
 Oxynaia jourdyi (Unionidae, Indotropical)
The November 2011 Mussel of the Month is Oxynaia jourdyi. Oxynaia is a genus of five species ranging from Indochina west to Burma. |
October 2011
 Lampsilis virescens (Unionidae, Nearctic)
The October 2011 Mussel of the Month is Lampsilis virescens. Lampsilis is a genus of 24 species in eastern North America. |
September 2011
 Unionetta fabagina (Unionidae, Indotropical)
The September 2011 Mussel of the Month is Unionetta fabagina. Unionetta is a genus of only two species in the Mekong River of southeastern Asia. |
August 2011
 Friersonia iridella (Unionidae, Neotropical)
The August 2011 Mussel of the Month is Friersonia iridella. Friersonia is a monotypic genus known only from southern Mexico. |
July 2011
 Fossula fossiculifera (Mycetopodidae, Neotropical)
The July 2011 Mussel of the Month is Fossula fossiculifera. Fossula is a monotypic genus from tropical South America. |
June 2011
 Ctenodesma scheibeneri (Unionidae, Indotropical)
The June 2011 Mussel of the Month is Ctenodesma scheibeneri. Ctenodesma is a genus of two species endemic to the island of Borneo. |
May 2011
 Obovaria unicolor (Unionidae, Neotropical)
The May 2011 Mussel of the Month is Obovaria unicolor. Obovaria is a genus of 6 species found in eastern North America. |
April 2011
 Chambardia wissmanni (Iridinidae, Afrotropicall)
The April 2011 Mussel of the Month is Chambardia wissmanni. Chambardia is represented by 11 species in the Afrotropics. The genus is known from most major basins on the continent. |
March 2011
 Sinanodonta woodiana (Unionidae, Palearctic-Indotropical)
The March 2011 Mussel of the Month is Sinanodonta woodiana. The genus Sinaodonta is native to eastern Asia, but one of the two species has been widely introduced. |
February 2011
 Uniomerus columbensis (Unionidae, Nearctic)
The February 2011 Mussel of the Month is Uniomerus columbensis. Uniomerus is a genus of four species that is widespread in the Interior and eastern coastal basins of North America. |
January 2011
 Lamprotula gottschei (Unionidae, Indotropical)
The January 2011 Mussel of the Month is Lamprotula gottschei. Lamprotula is a genus of around 20 species that ranges from tropical Asia north to Korea and Japan. |
