Title (text that will appear on the database general page below the illustrative picture): Tooth, Richardoestesia isosceles, TMP-89-103-25, from Oldman Formation, middle Campanian, Pinhorn Ranch —Wendy’s Site, Alberta Canada. Author (often the authors of the papers, or, the people who really worked on the data acquisition / processing / analysis): Maïtena Dumont, Paul Tafforeau, Antoine Louchart. Creation date (scanning data if available, if not publication date): September 2013 (acquisition). Segmentation work (name of the people who performed the segmentation, mostly if segmented data are provided): Maïtena Dumont. Publication name (only the title): Synchrotron imaging of dentition provides insights into the biology of Hesperornis and Ichthyornis, the “last” toothed birds. Publication link (URL for direct access to the publication): http://bmcevolbiol.biomedcentral.com/articles/10.1186/s12862-016-0753-6 Reference (complete ref without abbreviation of the journal if possible): Dumont, M., Tafforeau, P., Bertin, T., Bhullar, B.A., Field, D., Schulp, A., Strilisky, B., Thivichon-Prince, B., Viriot, L. & Louchart, A. 2016. Synchrotron imaging of dentition provides insights into the biology of Hesperornis and Ichthyornis, the “last” toothed birds. BMC Evolutionary Biology 16: 178. DOI 10.1186/s12862-016-0753-6. Repository institution (of the fossil): Tyrrell Museum of Paleontology, Drumheller, Canada. Description (short text to describe the data/specimen, or any other information you would like to provide): The tooth TMP-89-103-25, identified as Richardoestesia isosceles (Coelurosauria), is confirmed as non-avian. NB: this specimen was scanned at two voxel sizes: 0.52 and 1.28 micrometers.