Table 1 Studied localities and their geographic coordinates
| Locality | Geographic coordinates | N | N |
|---|---|---|---|
| Dorsal view | Lateral view | ||
| Antofagasta | 23°37′ S, 70°24′ W | 36 | 31 |
| Paposo | 25°15′ S, 70°23′ W | 3 | 2 |
| Pan de Azúcar | 26°04′ S, 70°35′ W | 15 | 14 |
| Caldera | 27°04′ S, 70°49′ W | 26 | 25 |
| Tres Playitas | 28°27′ S, 71°13′ W | 6 | 8 |