Table 1. List of Tenontosaurus specimens sampled and examined for this study.
| Specimen | Formation | Age | Elements sampled |
| MOR 788 | Cloverly | perinate | tibia* |
| FMNH PR 2263 | Cloverly | juvenile | femur |
| MOR 679 | Cloverly | juvenile | femur* |
| OMNH 10144 | Cloverly | juvenile | humerus, ulna, femur, tibia |
| OMNH 34785 | Cloverly | juvenile | femur, tibia, fibula |
| MOR 682 | Cloverly | subadult | femur* |
| OMNH 2531 | Antlers | subadult | humerus, ulna |
| OMNH 2926 | Antlers | subadult | tibia |
| OMNH 8137 | Antlers | subadult | humerus, tibia |
| OMNH 10134 | Cloverly | subadult | tibia |
| OMNH 16563 | Antlers | subadult | tibia, fibula, rib |
| OMNH 34191 | Antlers | subadult | ulna |
| OMNH 34783 | Cloverly | subadult | tibia, fibula |
| OMNH 34784 | Cloverly | subadult | femur, tibia |
| OMNH 58340 | Antlers | subadult | tibia |
| OMNH 63525 | Antlers | subadult | tibia, rib |
| FMNH PR 2261 | Cloverly | adult | humerus, ulna, femur, tibia |
| OMNH 62990 | Antlers | adult | ulna |
Specimens indicated with an asterisk were histologically sampled as part of a previous study [17], but were re-examined and re-imaged for this project.