December 2022
 Mulleria rivoli (Etheriidae, South America)
The December 2022 Mussel of the Month is Mulleria rivoli. Mulleria is a monotypic genus endemic to the Rio Magdalena in South America. |
November 2022
 Nephronaias aztecorum (Unionidae, Central America)
The November 2022 Mussel of the Month is Nephronaias aztecorum. Nephronaias is a genus of a couple dozen species in Central America. |
October 2022
 Pleiodon spekii (Iridinidae, Africa)
The October 2022 Mussel of the Month is Pleiodon spekii. Pleiodon is a genus of two species endemic to Africa. |
September 2022
 Parreysia corrugata (Unionidae, East Asia)
The September 2022 Mussel of the Month is Parreysia corrugata. Parreysia is a genus of six species from India and Myanmar. |
August 2022
 Arcuneopsis pisciculus (Unionidae, East Asia)
The August 2022 Mussel of the Month is Arcuneopsis pisciculus. Arcuneopsis is a monotypic genus endemic to China. |
July 2022
 Castalia martensi (Hyriidae, South America)
The July 2022 Mussel of the Month is Castalia martensi. Castalia is a genus of 13 species in South America. |
June 2022
 Pleurobema sintoxia (Unionidae, North America)
The June 2022 Mussel of the Month is Pleurobema sintoxia. Pleurobema is a genus of 23 currently recognized species found in eastern North America. |
May 2022
 Trapezidens exolescens (Unionidae, East Asia)
The May 2022 Mussel of the Month is Trapezidens exolescens. Trapezidens is a genus of five species endemic to Myanmar. |
April 2022
 Mycetopoda soleniformis (Mycetopodidae, South America)
The April 2022 Mussel of the Month is Mycetopoda soleniformis. Mycetopoda is a genus of four species, distributed in Central and South America. |
March 2022
 Potamilus capax (Unionidae, North America)
The March 2022 Mussel of the Month is Potamilus capax. Potamilus is a genus of 10 species found in the eastern portion of North America. |
February 2022
 Anodontites patagonica (Mycetopodidae, South America)
The February 2022 Mussel of the Month is Anodontites patagonica. Anodontites is a genus of 26 species distributed from Central America to southern South America. |
January 2022
 Sinosolenaia recognita (Unionidae, East Asia)
The January 2022 Mussel of the Month is Sinosolenaia recognita. Sinosolenaia is genus of four species from eastern Asia. |
