Heteropora sp., five fragments of branching bryozoan
Bob Campbell Geology Museum Formation: Peedee Formation.
Serpula (Serpula sp.) tiny burrows in limestone fragment
Bob Campbell Geology Museum Formation: Fredericksburg Formation
Oyster (Exogyra ponderosa)
Bob Campbell Geology Museum 73 million years old; Formation: Marlbrook Marl.
Ammonite (Rhaeboceras sp.)
Bob Campbell Geology Museum 69 million years old; Formation: Bearpaw Shale.
Nautiloid (Eutrephoceras dekayi)
Bob Campbell Geology Museum 70 million years old; Formation: Pierre Shale.
Ammonite (Didymoceras sp.)
Bob Campbell Geology Museum 73 million years old; Formation: Pierre Shale.
Phymosoma texanum, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls.
Anomoeodus phaseolus, partial palatal tooth
Bob Campbell Geology Museum Formation: Peedee Formation.
Clam (Phlaclomya), three clam steinkerns composed of black
Bob Campbell Geology Museum Formation: Peedee Formation.
Cardium sp., right valve steinkern in matrix
Bob Campbell Geology Museum Formation: Peedee Formation.
Exogyra costata, three isolated left valves
Bob Campbell Geology Museum Formation: Peedee Formation.
Ostracode, limestone packed with disarticulated ostracodes
Bob Campbell Geology Museum Formation: Lukota Formation; Chilson mem.