Robuta

https://archives.lib.ku.edu/repositories/3/archival_objects/167824 Cretaceous life paleo[ntology] - TD | Kenneth Spencer Research Library Archival Collections spencer research library cretaceous life paleo td https://archives.lib.ku.edu/repositories/3/archival_objects/167932 Silurian life Paleo[ntology] - TD | Kenneth Spencer Research Library Archival Collections spencer research library silurian life paleo td