Expected handedness for Gelasimus excisa is 95% or more right-handed
Observed handedness (based on raw totals across all data sets) is 99.12% right-handed, 0.88% left-handed
The following figure displays the left and right counts for each individual data set.
| Reference | Right Count | Left Count | Right % | Left % | Notes |
|---|---|---|---|---|---|
| Rosenberg (2000) | 4 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 27 | 1 | 0.964 | 0.036 | |
| Barnwell (1982) | 7 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 2 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 18 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 3 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 32 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 15 | 0 | 1.000 | 0.000 | |
| Yamaguchi (1994) | 1 | 0 | 1.000 | 0.000 | This is the Samoan individual he had under the species neocultrima |
| Yamaguchi (1994) | 2 | 0 | 1.000 | 0.000 | These are the Fijian and Samoan individuals he had under the species Gelasimus vocans |