There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 78800 | W. Kiessling | Gornaya Shoriya Mountains, Chakyr Formation Caradoc - Ordovician 4-5 - Russian Federation | Dzyubo (1970) |
| 78801 | W. Kiessling | Altai Mountains, Chakyr Formation Caradoc - Ordovician 4-5 - Russian Federation | Dzyubo (1970) |
| 205626 | B. Kröger | Gorny Altai, Chakyr-Azratkan Section, Tekhten Fm. Katian - Ordovician 5 - Russian Federation | Sennikov et al. (2019) |