Pygidium (tail), 3.2 cm wide, of a trilobite Dipleura sp. collected by Jessie Wittmeyer, Collins, NY, from the Lower Windom Shale on his Erie 2 BOCES, Ormsby Ctr. field trip to Penn Dixie on October 11, 2007. Jessie donated the pygidium to the Penn Dixie Site.
Phacops, 4.4. cm long, collected by Lance Berg from the lower Windom, 2008