A brown pair of valves on a floral background.
TBT. Back in March 2021, the Mussel of the Month was Sundadontina cumingii! — musselpdb.org/motm/2021/21... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
A yellow shell with green rays and an angular ventral margin on a green background.
The March 2026 Mussel of the Month is Globunio mirificus: A new species in a new genus in a new subtribe. Read more and subscribe for free at musselproject.substack.com or mussel-project.net #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
A brown sculptured shell on a blue-green-red background.
TBT. Way back in February 2011, the Mussel of the Month was Ctenodesma scheibeneri! — musselpdb.org/motm/2011/11... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
A yellowish shell with green highlights and iridescent nacre on a floral background.
TBT. Back in February 2021, the Mussel of the Month was Mutela hargeri! — musselpdb.org/motm/2021/21... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
A golden yellow pair of valves with green rays and white nacre on a camel/desert motif background.
The February 2026 Mussel of the Month is Lampsilis siliquoidea
But Lampsilis is a Camel.
It has been said that, “A camel is a horse designed by a committee.” Learn more and subscribe for free at musselproject.substack.com #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
A brown, badly eroded freshwater mussel shell on a colorful background, with information about the species and where to find more information.
TBT. Way back in January 2006, the Mussel of the Month was Discomya radulosa! — musselpdb.org/motm/2006/06... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
A thick bumpy freshwater mussel shell on a colorful background.
TBT. Way back in January 2011, the Mussel of the Month was Lamprotula leaii (née gottschei)! — musselpdb.org/motm/2011/11... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
A bumpy shell with purple nacre on a colorful, fractal-pattern background
TBT. Back in January 2016, the Mussel of the Month was Cyclonaias tuberculata! — musselpdb.org/motm/2016/16... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & CummingsA
An elongate freshwater bivalve shell on a colorful background
TBT. Back in January 2021, the Mussel of the Month was Solenaia emarginata! — musselpdb.org/motm/2021/21... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
The January 2026 Mussel of the Month is Leila blainvilliana
The January 2026 Mussel of the Month is Leila blainvilliana. Leila blainvilliana has peculiar posterior “siphons,” distinct from those of typical neotropical Mycetopodidae.
Learn more and subscribe for FREE at musselproject.substack.com #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
Back in December 2010, the Mussel of the Month was Truncilla truncata.
TBT. Way back in December 2010, the Mussel of the Month was Truncilla truncata! — musselpdb.org/motm/2010/10... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
Back in December 2015, the Mussel of the Month was Pronodularia japanensis
TBT. Way back in December 2015, the Mussel of the Month was Pronodularia japanensis! — musselpdb.org/motm/2015/15... #ThrowbackThursday #MusselMemory #MUSSELp #MusselOfTheMonth 🧪
Photo by Graf & CummingsBa
Back in December 2020, the Mussel of the Month was Platynaias subviridis
TBT. Back in December 2020, the Mussel of the Month was Platynaias (née Lasmigona) subviridis! — musselpdb.org/motm/2020/20... #ThrowbackThursday #MusselMemory #MUSSELp #MusselOfTheMonth 🧪
Photo by Graf & Cummings
The December 2025 Mussel of the Month is Mutela dubia (Gmelin, 1791)
The December 2025 Mussel of the Month is Mutela dubia. Mutela dubia (Iridinidae) from Africa, like so many freshwater mussels, has been “super-nominated.” Learn more and subscribe at musselproject.substack.com. #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
Back in November 2010, the Mussel of the Month was Megalonaias nervosa.
TBT. Way back in November 2010, the Mussel of the Month was Megalonaias nervosa! — musselpdb.org/motm/2010/10... #ThrowbackThursday #MusselMemory #MUSSELp #MusselOfTheMonth 🧪
Photo by Graf & Cummings
Back in November 2015, the Mussel of the Month was Nephritica poeyana
TBT. Back in November 2015, the Mussel of the Month was Nephritica poeyana! — musselpdb.org/motm/2015/15... #ThrowbackThursday #MusselMemory #MUSSELp #MusselOfTheMonth 🧪
Photo by Graf & Cummings
Back in November 2020, the Mussel of the Month was Atlanticoncha ochracea
TBT. Back in November 2020, the Mussel of the Month was Atlanticoncha ochracea! — musselpdb.org/motm/2020/20... #ThrowbackThursday #MusselMemory #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
The November 2025 Mussel of the Month is Schistodesmus xinyuensis
The November 2025 Mussel of the Month is Schistodesmus xinyuensis! — musselpdb.org, musselproject.substack.com #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
Back in October 2010, the Mussel of the Month was Rectidens sumatrensis
Way back in October 2010, the Mussel of the Month was Recidens sumatrensis (except we called in R. lingulatus)! — musselpdb.org/motm/2010/10... #ThrowbackThursday #MusselMemory #MUSSELp #MusselOfTheMonth 🧪
Photo by Graf & Cummings
To order Freshwater Mussels of Central America --> www.routledge.com/Freshwater-M...
Check out the latest episode of The Whoo! from the MUSSEL Project! KSC & DLG discuss their new book, Freshwater Mussels of Central America by Cummings, Graf, Pfeiffer & Tiemann. www.youtube.com/watch?v=Qf8D... #MUSSELp 🧪
Back in October 2015, the Mussel of the Month was Lepidodesma languilati
Back in October 2015, the Mussel of the Month was Lepidodesma languilati! — musselpdb.org/motm/2015/15... #MusselMemory #ThrowbackThursday #MusselOfTheMonth #MUSSELp 🧪
Photo by Graf & Cummings
Back in October 2020, the Mussel of the Month was Bineurus mouhotii
#MusselMemory #ThrowbackThursday Back in October 2020, the #MUSSELp #MusselOfTheMonth was Bineurus mouhotii! — musselpdb.org/motm/2020/20... 🧪
Photo by Graf & Cummings
The October 2025 Mussel of the Month is Anodontites lurulenta!
The October 2025 #MUSSELp #MusselOfTheMonth is Anodontites lurulenta from Central America! — musselpdb.org, musselproject.substack.com 🧪
Photo by Graf & Cummings
Back in September 2010, the Mussel of the Month was Hemistena lata!
#MusselMemory #ThrowbackThursday Way back in September 2010, the #MUSSELp #MusselOfTheMonth was Hemistena lata! — musselpdb.org/motm/2010/10... 🧪
Photo by Graf & Cummings
Back in September 2015, the Mussel of the Month was Venustaconcha ellipsiformis
#MusselMemory #ThrowbackThursday Back in September 2015, the #MUSSELp #MusselOfTheMonth was Venustaconcha ellipsiformis! — musselpdb.org/motm/2015/15... 🧪
Photo by Graf & Cummings
Back in September 2020, the Mussel of the Month was Diplodon paranensis!
#MusselMemory #ThrowbackThursday Back in September 2020, the #MUSSELp #MusselOfTheMonth was Diplodon paranensis! — musselpdb.org/motm/2020/20... 🧪
Photo by Graf & Cummings
The September 2025 Mussel of the Month is Ortmanniana pectorosa
The September 2025 #MUSSELp #MusselOfTheMonth is Ortmanniana pectorosa! — musselpdb.org, musselproject.substack.com 🧪
Photo by Graf & Cummings
Back in August 2010, the Mussel of the Month was Anodontites crispata Bruguiere, 1792
#MusselMemory #ThrowbackThursday Way back in August 2010, the #MUSSELp #MusselOfTheMonth was Anodontites crispata! — mussel-project.uwsp.edu/motm/2010/10... 🧪
Photo by Graf & Cummings
Back in August 2015, the Mussel of the Month was Lens contradens (Lea, 1838).
#MusselMemory #ThrowbackThursday Back in August 2015, the #MUSSELp #MusselOfTheMonth was Lens contradens! — mussel-project.uwsp.edu/motm/2015/15... 🧪
Photo by Graf & Cummings
