Table 1. Measurements and histological features of the femora and tibiae of Vespersarus paranaensis that were analyzed.
| Bone | Specimen | Circum ference (mm) | Growth marks | Growth Marks | Endosteal lamellae | EFS | Medulary cavity % |
Bone tissue type | Ontogenetic status | Histological Class |
|---|---|---|---|---|---|---|---|---|---|---|
| Femur | CP.V 4136 | 45.86 | Yes | Annuli | Yes | No | 44.29% | PF | Juvenile | I |
| CP.V 4142 | 47.90 | Yes | LAGs | Yes | No | 46.64 % | PF | Juvenile | II | |
| CP.V 4206 | 50.11 | Yes | LAGs | Yes | No | 50.36% | PF | Juvenile | II | |
| CP.V 4264 | 58.37 | Yes | LAGs | Yes | No | 55.63% | PF | Sexually mature | III | |
| CP.V 2277 | *63.27 | Yes | Double and triple LAGs | No (?) | No | 41.50% | PF | Sexually mature | IV | |
| Tibia | CP.V 4312a | *42.00 | Yes | LAGs | Yes | No | 42% | PF | Juvenile (?) | I |
| CP.V 4203 | – | Yes | LAGs | Yes | No | – | PF | Juvenile (?) | I | |
| CP.V 4140 | 41.29 | Yes | LAGs | Yes | No | 27% | PF | Juvenile/Sexually mature | II | |
| CP.V 4000 | – | Yes | LAGs | Yes | No | – | PF | Juvenile/Sexually mature | II | |
| CP.V 4130 | 41.18 | Yes | LAGs | Yes | Yes | 30.78% | PF/WB | Full grown | III | |
| CP.V 2385 | 44.88 | Yes | LAGs | Yes | Yes | 31.78% | PF/WB | Full grown | III |
Notes:
Circumferences in the mid-shaft in millimeters. Type of growth mark and histological features used to ontogenetic status determination.
EFS, external fundamental system; LAG, lines of arrested growth; PF, parallel-fibered bone; WB, woven bone. Asterisks represent specimens measured in the proximal diaphysis.