Kathleen Ritterbush

3-D printed replicas reveal swimming capabilities of ancient cephalopods

Experiments in water tanks, including a U pool, suggest the ancient animals lived a vertical marine lifestyle.


Ancient ammonoids’ shell designs may have aided buoyancy control

Researchers use 3D-printed models to explore fractal-like interior shell patterns.


Fossil species named for U professor Kathleen Ritterbush

Name honors Ritterbush’s research in the rock formation where the fossil shell was found.