Bivalved arthropods from the Middle Ordovician Winneshiek Lagerstätte, Iowa, USA

Journal of Paleontology

Briggs, D. E.G., Liu, H. P., McKay, R. M. and Witzke, B. J.

Specimens Cited:  102858; 138433–138442; 138443–138451; 138446; 138437a; 138437b; 138437c; 138452; 1384552; 138453; 138454–138456; 138457–138462; 138459; 138463; 138471; 138465; 138464; 138476; 138467; 138473; 138479; 138464–138472; 138473–138479; 138469; 138475; 138480–138483; 138484–138489; 138490; 138491; 138492; 138497; 138498; 138499; 138493; 138494–138495; 138496–138502;