维基共享资源上的相关多媒体资源:遗迹化石 Encyclopaedia-style article about trace fossils Ichnogenus images Bioerosion Website at The College of Wooster Comprehensive bioerosion
Rainforth, E.C. Revision and re-evaluation of the Early Jurassic dinosaurian ichnogenus Otozoum. Palaeontology. 2003, 46 (4): 803–838. doi:10.1111/1475-4983.00320
(2). ISSN 0016-7568. doi:10.1017/s0016756813000216. Yue, WANG. A New Ichnogenus Kailidiscus Produced by Attachment from the Middle Cambrian Kaili Formation