There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 151485 | W. Kiessling | Breznik area, Oxfordian Stage–Lower Kimmeridgian Substage Oxfordian/Early Kimmeridgian - Jurassic 5 - Bulgaria | Ivanova et al. (2008) |
| 151486 | W. Kiessling | Breznik area, Upper Kimmeridgian Substage–Tithonian Stage Late Kimmeridgian/Tithonian - Jurassic 5-6 - Bulgaria | Ivanova et al. (2008) |