TABLE 1. Table indicating mean values for V1 (length of the major axis), V2 (length of the minor axis, V3 (Ratio V1/V2) and presence (“y”) or absence (“n”) of pores (V4) for the two population subsets (regular (“e”/irregular “i”) and the total.
| Number of specimens | V1: Length of major axis | V2: Length of minor axis | V3: Ratio V1/V2 | V4: Pores | |
| V5: Regular |(“r”) |
18 | Mean: 35.48 cm | Mean: 15.10 cm | Mean: 1.99 | Yes: 17 No: 1 |
| V5: Irregular (“i”) |
21 | Mean: 23.31 cm | Mean: 15.21 | Mean: 1.57 cm | Yes: 10 No: 10 |
| Total | 39 | Mean: 28.93 cm | Mean: 15.16 cm | Mean: 1.51 cm | Yes: 27 No: 11 |
