The festivus - San Diego Shell Club (San Diego Shell Club, 2000)

The festivus - San Diego Shell Club (San Diego Shell Club, 2002)

The festivus - San Diego Shell Club (San Diego Shell Club, 2001)

The festivus - San Diego Shell Club (San Diego Shell Club, 2003)

The festivus - San Diego Shell Club (San Diego Shell Club, 2004)

The festivus - San Diego Shell Club (San Diego Shell Club, 1970)

The festivus - San Diego Shell Club (San Diego Shell Club, 2005)

The festivus - San Diego Shell Club (San Diego Shell Club, 2006)

The festivus - San Diego Shell Club (San Diego Shell Club, 2007)

The festivus - San Diego Shell Club (San Diego Shell Club, 2008)

The festivus - San Diego Shell Club (San Diego Shell Club, 2009)

The festivus - San Diego Shell Club (San Diego Shell Club, 2010)

The festivus - San Diego Shell Club (San Diego Shell Club, 2011)

The festivus - San Diego Shell Club (San Diego Shell Club, 2012)

The festivus - San Diego Shell Club (San Diego Shell Club, 2013)

The festivus - San Diego Shell Club (San Diego Shell Club, 2014)

The festivus - San Diego Shell Club (San Diego Shell Club, 2015)

The festivus - San Diego Shell Club (San Diego Shell Club, 2016)

The festivus - San Diego Shell Club (San Diego Shell Club, 2017)

Field guide to freshwater mussels of the Midwest - Mayer, Christine A. (Illinois Natural History Survey, 1992)