1. Systematic review of the genus Skolithos;Alpert;J. Paleontol.,1974
2. Trace fossils from two Upper Pennsylvanian sandstones in Kansas;Bandel;Univ. Kans. Paleontol. Contrib.,1967
3. Trackway evidence for social sauropods from the Morrison Formation, eastern Utah (USA);Barnes,1994
4. Note sur un fossil remarquable de la montagne de Saint-Gerand-le-Puy entre Moulins et Roanne, Département de l'Allier, appele l'Indusie tubuleuse;Bosc;J. Mines,1805
5. Palaeoecology: Ecosystems, Environments and Evolution;Brenchley,1998