Table 3. Comparison of the length/width ratio of the fourth costal in selected specimens referred to P. etalloni, C. picteti, and C. jaccardi.
| Costal 4 length (mm) |
Costal 4 width (mm) |
Ratio | |
|---|---|---|---|
| Plesiochelys etalloni | |||
| NMS 59 | 176 | 56 | 3.14 |
| NMS 78 | 152 | 46 | 3.30 |
| NMS 79 | 163 | 45 | 3.62 |
| NMS 116 | – | – | – |
| NMS 669 | 160 | 47 | 3.40 |
| NMS 675 | 178 | 49 | 3.63 |
| MAJ 2005-11-1 | – | – | – |
| Craspedochelys jaccardi | |||
| NMS 101 | 188 | 38 | 4.95 |
| NMS 102a | 164 | 32 | 5.13 |
| NMS 612 | 155 | 32 | 4.84 |
| NMS 673 | 181 | 38 | 4.76 |
| MHNN FOS 977 | – | – | – |
| Craspedochelys picteti | |||
| NMS 608 | 217 | 50 | 4.34 |