Table 2. Proportions (% absence) of the Hld and occlusal groove pattern occurrence in the new Javanese fossil human dental sample compared to the figures from eleven extant and fossil human samples.
N | Hld absence | groove pattern | |||
Y | X | + | |||
original sample | 10 | 50% | 20.0% | 50.0% | 30.0% |
comparative sample LM2s | |||||
HHRa | 4 | 0.0% | 100.0% | 0.0% | 0.0% |
HEAa | 5 | 0.0% | 80.0% | 0.0% | 20.0% |
HEGa | 2 | 0.0% | 50.0% | 0.0% | 50.0% |
HAa | 2 | 0.0% | 100.0% | 0.0% | 0.0% |
RHJb,c | 3 | 0.0% | 100.0% | 0.0% | 0.0% |
HEJb,c,d | 7 | 0.0% | 71.4% | 0.0% | 28.6% |
HECe | 5 | 0.0% | 80.0% | 0.0% | 20.0% |
HHNAa | 3 | 0.0% | 50.0% | 0.0% | 50.0% |
HHEa | 28 | 21.4% | 42.3% | 15.4% | 42.3% |
NEAa | 29 | 17.2% | 67.9% | 17.9% | 14.3% |
EHa | 136 | 81.6% | 27.1% | 35.3% | 37.6% |
comparative sample LM3s | |||||
HHRa | 3 | 0.0% | 66.7% | 0.0% | 33.0% |
HEAa | 1 | 0.0% | 100.0% | 0.0% | 0.0% |
HEGa | 1 | 0.0% | 100.0% | 0.0% | 0.0% |
HAa | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
RHJc | 1 | 0.0% | 0.0% | 0.0% | 100.0% |
HEJb,c,d | 5 | 0.0% | 100.0% | 0.0% | 0.0% |
HECe | 4 | 50.0% | 0.0% | 25.0% | 75.0% |
HHNAa | 4 | 0.0% | 33.3% | 0.0% | 66.7% |
HHEa | 26 | 23.1% | 23.8% | 28.6% | 52.4% |
NEAa | 23 | 30.4% | 54.5% | 31.8% | 13.6% |
EHa | 81 | 55.0% | 21.0% | 53.2% | 25.9% |