79
Wabash pigtoe, Fusconaia flava
Silver Creek, Otoe County, 57 to 94mm
Pony Creek, Richardson County,
59mm, anterior view
Pony Creek, Richardson County,
59mm, dorsal view
Silver Creek, Otoe County, 94mm
Pony Creek, Richardson
County, 57mm, beak
sculpture
Cross section of Wabash pigtoe, 77mm, anterior end is to the right