Freimuth, William J.; Wilson, John P. (2021). "New manual unguals of Trierarchuncus prairiensis from the Hell Creek Formation, Montana, and the ontogenetic development of the functional alvarezsaurid hand claw". Cretaceous Research. 119: Article 104698. Bibcode:2021CrRes.11904698F. doi:10.1016/j.cretres.2020.104698. S2CID228830237.
Freimuth, William J.; Wilson, John P. (2021). "New manual unguals of Trierarchuncus prairiensis from the Hell Creek Formation, Montana, and the ontogenetic development of the functional alvarezsaurid hand claw". Cretaceous Research. 119: Article 104698. Bibcode:2021CrRes.11904698F. doi:10.1016/j.cretres.2020.104698. S2CID228830237.
Freimuth, William J.; Wilson, John P. (2021). "New manual unguals of Trierarchuncus prairiensis from the Hell Creek Formation, Montana, and the ontogenetic development of the functional alvarezsaurid hand claw". Cretaceous Research. 119: Article 104698. Bibcode:2021CrRes.11904698F. doi:10.1016/j.cretres.2020.104698. S2CID228830237.