The 2013 Mussels of the Month.
December 2013
 Plethobasus cyphyus (Unionidae, Nearctic)
The December 2013 Mussel of the Month is Plethobasus cyphyus. Plethobasus is a genus of three species in the Interior Basin of Eastern North America. |
November 2013
 Margaritifera margaritifera (Margaritiferidae, Palearctic)
The November 2013 Mussel of the Month is Margaritifera margaritifera. The 13 species of Margaritifera are found in North America, Eurasia, and northern Africa — Holarctic. |
October 2013
 Ptychorhynchus pfisteri (Unionidae, Indotropical)
The October 2013 Mussel of the Month is Ptychorhynchus pfisteri. Ptychorhynchus is a genus of three species found in China and southeastern Asia. |
September 2013
 Ellipsaria lineolata (Unionidae, Nearctic)
The September 2013 Mussel of the Month is Ellipsaria lineolata. Ellipsaria is a monotypic genus of eastern North America. |
August 2013
 Aculamprotula fibrosa (Unionidae, Indotropical)
The August 2013 Mussel of the Month is Aculamprotula fibrosa. Aculamprotula is a genus of five species in eastern Asia. |
July 2013
 Micronaias fallaciosa (Unionidae, Neotropical)
The July 2013 Mussel of the Month is Micronaias fallaciosa. Micronaias is a genus of three species, endemic to Nicaragua in Central America. |
June 2013
 Westralunio carteri (Hyriidae, Australasian)
The June 2013 Mussel of the Month is Westralunio carteri. Westralunio is a genus of three species found in Western Australia and New Guinea. |
May 2013
 Leptodea fragilis (Unionidae, Nearctic)
The May 2013 Mussel of the Month is Leptodea fragilis. Leptodea is a genus of three species in eastern North America. |
April 2013
 Corbicula fluminea (Cyrenidae, Cosmopolitan)
The April 2013 Mussel of the Month is Corbicula fluminea. Corbicula is a genus of freshwater bivalves in the family Cyrenidae that could have as many as 90 valid species. The genus has been widely introduced but its native range covers Africa and much of Asia. |
March 2013
 Anodontoides ferussacianus (Unionidae, Nearctic)
The March 2013 Mussel of the Month is Anodontoides ferussacianus. Anodontoides is a genus of three species restricted to eastern North America. |
February 2013
 Radiatula crispisulcata (Unionidae, Indotropical)
The February 2013 Mussel of the Month is Radiatula crispisulcata. Radiatula is a large genus of 17 species, distributed from India to southeast Asia. |
January 2013
 Pegias fabula (Unionidae, Nearctic)
The January 2013 Mussel of the Month is Pegias fabula. Pegias is a monotypic genus endemic to the Cumberland Plateau of North America. |
