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Fragile Papershell, Leptodea fragilis
Big Blue River, Gage County, 35mm
juvenile
Missouri River, Cedar County. 145mm
Missouri River, Dixon County, 105mm,
dorsal view
Missouri River, Dixon County,
105mm, anterior view
Missouri River, Dixon County,
105mm, beak sculpture
Missouri River, Dixon County, 105mm, closeup of tooth
structure
Cross section of Fragile papershell, 145mm, anterior end is on the right
