Kevin S. and Mayer, Christine A. 1992. Field Guide to Freshwater
Mussels of the Midwest. Illinois Natural History Survey, Manual
1967. The Freshwater Mussels of Illinois. Illinois State Museum
Popular Science Series 8.
Mollusk Links from the Illinois Natural History Survey at the University
of Illinois at Urbana-Champaign. https://ellipse.inhs.uiuc.edu/FMCS/links.html
Survey's Mussel Collection
National Park Service
page on Mississippi
University of Wisconsin
Seagrant pages on Zebra
Gallery of Christopher Barnhart at Southeast Missouri State University.
A Muscatine, Iowa
school Web site on mussels.