| Title | Author | Publication Year | PDF File |
|---|---|---|---|
| Wasps (Insecta: Vespida = Hymenoptera) from the early Cretaceous of Spain. | 2000-08-01 | ||
| Cretaceous digger wasps of the new genus Bestiola Pulawski and Rasnitsyn (Hymenoptera: Sphecidae: Angarosphecinae). | 1999-05-01 |