There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 67135 | M. Carrano | Sibbe quarry, Valkenburg (coll. Vollers) Late Maastrichtian - Cretaceous 8 - Netherlands | Jagt et al. (1998) |
| 82491 | A. Hendy | Valkenburg Chalk, Maastricht Fm Late Maastrichtian - Cretaceous 8 - Netherlands | Kennedy (1986) |