Baby dinosaurs from the Late Cretaceous Lance and Hell Creek formations and a description of a new species of theropod Author Carpenter, Kenneth text Contributions to Geology, University of Wyoming 1982 1982-01-31 20 123 134 journal article 10.5281/zenodo.3238510 a342eb67-842d-41ab-a05d-3f010d0038ec 3238510 THEROPODA incertae sedis Fig. 6 Material : Teeth: UCM 39503 (UCMP-V5711) H 3.2 mm , W 1.8 mm ; UCM 45063 (UCMP-V5620) H 2.8 mm , W 1.8 mm ; UCMP 124986 (UCMP-V73087) H 1.6 mm , W 1.3 mm ; UCMP 124987 (UCMP-V73087) H 2.8 mm , W 2.2 mm ; and UCMP 124988 (UCMP-V73087) H 2.6 mm , W 2 mm . Discussion : These teeth differ significantly from those discussed above, and may represent other theropod taxa. Further work on theropod teeth may permit some of these teeth to be assigned to known taxa. Most of the teeth have serrations both on the anterior and posterior edges.