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Mapleleaf, Quadrula quadrula
Big Blue River, Butler County, 85mm
Big Blue River, Butler County, 85mm,
dorsal view
Big Blue River, Butler County, 85mm,
anterior view
Memphis Lake, Saunders County,
77mm, Mapleleaf lacking pustules
Big Blue River, Gage
County, 25mm juvenile
Big Blue River, Butler
County, 85mm, beak
sculpture
Cross section of Mapleleaf, 95mm, anterior end is on the right
