57
Paper pondshell, Utterbackia imbecillis
Summit Lake, Burt County, 105mm,
dorsal view
Holmes Lake, Lancaster
County, 38mm juvenile
Burchard Lake, Pawnee County, 64mm
Lake Minatare, Scottsbluff
County, 102mm, anterior
view
Lake Minatare, Scottsbluff
County, 102mm, beak
sculpture
Lake Minatare, Scottsbluff County,
102mm
Summit Lake, Burt County, 105mm
Summit Lake, Burt County,
50mm juvenile
Cross section of Paper pondshell, 90mm, anterior end is to the right
