| русский | rus-000 |
| маркирующий горизонт | |
| English | eng-000 | datum bed |
| English | eng-000 | index datum bed |
| English | eng-000 | indicator bed |
| English | eng-000 | indicator horizon |
| English | eng-000 | key bed |
| English | eng-000 | key rock |
| English | eng-000 | marker |
| English | eng-000 | marker bed |
| English | eng-000 | reference bed |
| English | eng-000 | reference horizon |
| English | eng-000 | structure indicator |
| tiếng Việt | vie-000 | tầng đánh dấu |