 |
| |||
| Proterozoic; Proterozoic era (one of 3 Proterozoic eras MichaelBurov); Proterozoic (одна из трёх MichaelBurov) | |||
| Agnotozoic era | |||
| algonican era; proterozoic era | |||
| протерозойская эра: 2 phrases in 2 subjects |
| General | 1 |
| Geology | 1 |
|
| |||
| Proterozoic; Proterozoic era (one of 3 Proterozoic eras MichaelBurov); Proterozoic (одна из трёх MichaelBurov) | |||
| Agnotozoic era | |||
| algonican era; proterozoic era | |||
| протерозойская эра: 2 phrases in 2 subjects |
| General | 1 |
| Geology | 1 |