{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["10"],"submitter":["Warshaw EA"],"funding":["The US Bureau of Land Management","Destiny and Craig Wolf","City of Dickinson, ND","Conoco-Phillips","Google Employees","TC Energy Employees","TC Energy"],"pubmed_abstract":["Here we describe a new derived tyrannosaurine, <i>Daspletosaurus wilsoni</i> sp. nov., from Judithian strata (~76.5 Ma) intermediate in age between either of the previously described species of this genus. <i>D. wilsoni</i> displays a unique combination of ancestral and derived characteristics, including a cornual process of the lacrimal reduced in height relative to <i>D. torosus</i> and more basal tyrannosaurines, and a prefrontal with a long axis oriented more rostrally than in <i>D. horneri</i> and more derived tyrannosaurines. The description of this taxon provides insight into evolutionary mode in Tyrannosaurinae, lending strength to previous hypotheses of anagenesis within <i>Daspletosaurus</i> and increasing the resolution with which the evolution of this lineage can be reconstruct"],"journal":["PeerJ"],"pagination":["e14461"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9703990"],"repository":["biostudies-literature"],"pubmed_title":["A transitional species of <i>Daspletosaurus</i> Russell, 1970 from the Judith River Formation of eastern Montana."],"pmcid":["PMC9703990"],"pubmed_authors":["Warshaw EA","Fowler DW"],"additional_accession":[]},"is_claimable":false,"name":"A transitional species of <i>Daspletosaurus</i> Russell, 1970 from the Judith River Formation of eastern Montana.","description":"Here we describe a new derived tyrannosaurine, <i>Daspletosaurus wilsoni</i> sp. nov., from Judithian strata (~76.5 Ma) intermediate in age between either of the previously described species of this genus. <i>D. wilsoni</i> displays a unique combination of ancestral and derived characteristics, including a cornual process of the lacrimal reduced in height relative to <i>D. torosus</i> and more basal tyrannosaurines, and a prefrontal with a long axis oriented more rostrally than in <i>D. horneri</i> and more derived tyrannosaurines. The description of this taxon provides insight into evolutionary mode in Tyrannosaurinae, lending strength to previous hypotheses of anagenesis within <i>Daspletosaurus</i> and increasing the resolution with which the evolution of this lineage can be reconstruct","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2025-07-13T03:04:14.5Z","creation":"2025-04-21T14:36:25.875Z"},"accession":"S-EPMC9703990","cross_references":{"pubmed":["36452080"],"doi":["10.7717/peerj.14461"]}}