The 2021 Mussels of the Month, so far...
November 2021
 Namkongnaia lemeslei (Unionidae, East Asia)
The November 2021 Mussel of the Month is Namkongnaia lemeslei. Namkongnaia is a genus of two species described from southeast Asia.
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October 2021
 Alasmidonta marginata (Unionidae, North America)
The October 2021 Mussel of the Month is Alasmidonta marginata. Alasmidonta is a genus of 12 species found in eastern North America.
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September 2021
 Aspatharia chaiziana (Iridinidae, Afrotropics)
The September 2021 Mussel of the Month is Aspatharia chaiziana. Aspatharia is a genus of 11 species from Sub-Saharan Africa, as well as the Nile.
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August 2021
 Obovaria olivaria (Unionidae, North America)
The August 2021 Mussel of the Month is Obovaria olivaria. Obovaria is a genus of seven species in eastern North America, from the drainages of the Gulf of Mexico north to the Great Lakes.
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July 2021
 Ensidens dugasti (Unionidae, East Asia)
The July 2021 Mussel of the Month is Ensidens dugasti. Ensidens is a genus of six species in southeast Asia.
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June 2021
 Anodonta californiensis (Unionidae, North America)
The June 2021 Mussel of the Month is Anodonta californiensis. Anodonta, as it is currently circumscribed includes species from western Eurasia, western North America, and Central America.
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May 2021
 Haasica balzani (Mycetopodidae, South America)
The May 2021 Mussel of the Month is Haasica balzani. Haasica is a monotypic genus endemic to the Rio Paraguay in South America.
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April 2021
 Theliderma intermedia (Unionidae, North America)
The April 2021 Muscle of the Month is the posterior adductor muscle of Theliderma intermedia. All adult freshwater mussels have posterior adductors, so there are a lot of them out there.
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March 2021
 Sundadontina cumingii (Unionidae, East Asia)
The March 2021 Mussel of the Month is Sundadontina cumingii. Sundadontina is a genus of 10 species found southeast Asia.
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February 2021
 Mutela hargeri (Iridinidae, Afrotropics)
The February 2021 Mussel of the Month is Mutela hargeri. Mutela is a genus of 15 species endemic to Africa.
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January 2021
 Solenaia emarginata (Unionidae, East Asia)
The January 2020 Mussel of the Month is Utterbackiana suborbiculata. Utterbackiana is a genus of five species from eastern North America.
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