The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • W. Hantzschel. 1975. Miscellanea. Supplement 1. Trace Fossils and Problematica. Treatise on Invertebrate Paleontology


EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!