STANFORD, R., WEEMS, R.; LOCKLEY, M. A new dinosaur ichnotaxon from the Lower Cretaceous Patuxent Formation of Maryland and Virginia. Ichnos, 2004, roč. 11, čís. 3, s. 251 - 259. DOI: 10.1080/10420940490428797.
VARRICCHIO, D. J., a kol. First trace and body fossil evidence of a burrowing, denning dinosaur. Proceedings of the Royal Society B: Biological Sciences, 2007, roč. 274, čís. 1616, s. 1361 - 1368. DOI: 10.1098/rspb.2006.0443.