Table 1. Vertebral size and collection methods for Siwalik Group snake genera and morphotypes. Size is represented by centrum length (in mm) measured from the cotyle to the anterior margin of the condyle. Abbreviations: N, number of specimens measured for each taxon; S.D., standard deviation. Abbreviations for collection methods: B, both surface-collected and screen-washed; SC, surface-collected; SW, screen-washed.
| Taxon | N |
Maximum length |
Minimum length |
Mean length |
S.D. |
Collection method |
| Python sp. | 61 | 13.0 | 5.26 | 8.95 | 2.07 | B |
| Acrochordus | 941 | 16.71 | 4.47 | 9.93 | 2.06 | B |
| colubroid A | 2 | 6.65 | 5.51 | - | - | SW |
| colubroid B | 21 | 4.80 | 1.50 | 3.40 | 0.80 | SW |
| Bungarus | 9 | 6.59 | 3.00 | 4.29 | 1.20 | B |
| Elapidae indet. | 2 | 12.05 | 11.76 | - | - | SC |
| Natricinae indet. | 3 | 4.75 | 2.25 | 3.57 | 1.26 | SW |
| Chotaophis | 2 | 3.50 | 2.40 | - | - | SW |
| Sivaophis | 16 | 10.44 | 3.25 | 8.16 | 2.05 | B |