Part of a large turtle shell (toxochelid turtle plastral element).
Scapanorhynchus shark teeth found by screening gravel from the creek.
Echinoid or crab fragment, fish vertebra, Hamulus worm tube.
Shark teeth - Cretolamna in upper left, Scapanorhynchus in lower left, ptychodus tooth in middle, turritella gastropod, and belemnite found in the creek.