Scabrotrigonia eufaulensis, articulated valves
Bob Campbell Geology Museum Formation: Peedee Formation.
Scabrotrigonia eufaulensis, four rock fragments with valve casts
Bob Campbell Geology Museum Formation: Peedee Formation.
Scabrotrigonia eufaulensis, two rock fragments with valve casts
Bob Campbell Geology Museum Formation: Peedee Formation.
Sea Urchin (Hardounia cf. florealis)
Bob Campbell Geology Museum 72 million years old; Donated: The Duncan Family.
Sea turtle (Lytoloma elegans)
Bob Campbell Geology Museum 65 million years old; Formation: Khorigba Plateau Phosphate.
Sequoia (Sequoia sp.) seed cone
Bob Campbell Geology Museum 66 million years old; Formation: Hell Creek Formation.
Serpula (Serpula sp.) tiny burrows in limestone fragment
Bob Campbell Geology Museum Formation: Fredericksburg Formation
Shrimp (Carpopenaeus callirostris)
Bob Campbell Geology Museum 95 million years old; Formation: Hjoula; Donated: H. Abercrombie.
Texigrypaea marcoui, small left valve, highly convex, thick shelled
Bob Campbell Geology Museum Formation: Fredericksburg Formation.
Theropod dinosaur (Dromaosaur sp.) toe claw
Bob Campbell Geology Museum 64 mya; Formation: Hell Creek Formation.
Trace fossil burrows and tracks,siltstone with preserved trackways and burrows
Bob Campbell Geology Museum Formation: Full River Formation.
Triceratops horridus tooth
Bob Campbell Geology Museum 65 million years old; Formation: Hell Creek Formation.
Tympanotonus cretaceus, matrix-filled shell
Bob Campbell Geology Museum Formation: Cerro del Pueblo Formation.