Eocarpilius blowi, incomplete carapace in matrix
Bob Campbell Geology Museum Formation: Santee Limestone.
Eocarpilius blowi, incomplete carapace of a very small individual
Bob Campbell Geology Museum Formation: Santee Limestone.
Eocarpilius blowi, partial carapace in matrix
Bob Campbell Geology Museum Formation: Santee Limestone.
Eocarpilius blowi, two incomplete crab carapaces
Bob Campbell Geology Museum Formation: Santee Limestone.
Eocarpilius blowi, two unassociated carapace fragments
Bob Campbell Geology Museum Formation: Santee Limestone.
Leperditia scalaris, limestone frag. leach with single ostrecode, valve exposed
Bob Campbell Geology Museum Formation: Akron Dolostone Formation.
Mantis shrimp (Hoplocarida), decomposed carapace in matrix
Bob Campbell Geology Museum Formation: Swope Formation; Member: Hushpuckney Shale.
Ostracode, limestone packed with disarticulated ostracodes
Bob Campbell Geology Museum Formation: Lukota Formation; Chilson mem.