A cooperation between the Paleontological Museum, University of Oslo, Norway and Institute of Paleobiology, Polish Academy of Sciences, Warsaw, Poland.
May 5 1999: Starting to prepare the details
Jørn H. Hurum is seen preparing one of the small pieces before gluing them together.
Pieces removed from the skull are numbered and drawn on a large photograph of the skull. One surprise was the find of a large bivalve in sediment inside the skull.
Daily reports during the preparation, May 1999
| May 3 | May 4 | May 5 | May 6 |
| May 7 | May 8 | May 10 | May 11 |
| May 12 | May 13 | May 14 | May 18 |
