| Report on the 3rd international meeting of the IUGS lower Cretaceous ammonite working group, the “Kilian Group”(Vienna, Austria, 15th April 2008) S Reboulet, J Klein, R Barragán, M Company, C González-Arreola, ... Cretaceous Research 30 (2), 496-502, 2009 | 227* | 2009 |
| Report on the 1st international workshop of the IUGS lower Cretaceous Ammonite Working Group, the ‘Kilian Group’(Lyon, 11 July 2002) PJ Hoedemaeker, S Reboulet, MB Aguirre-Urreta, P Alsen, M Aoutem, ... Cretaceous Research 24 (1), 89-94, 2003 | 167 | 2003 |
| Report on the 2nd international meeting of the IUGS lower Cretaceous ammonite working group, the “Kilian Group”(Neuchâtel, Switzerland, 8 September 2005) S Reboulet, PJ Hoedemaeker, MB Aguirre-Urreta, P Alsen, F Atrops, ... Cretaceous Research 27 (5), 712-715, 2006 | 133 | 2006 |
| Report on the 6th International Meeting of the IUGS Lower Cretaceous Ammonite Working Group, the Kilian Group (Vienna, Austria, 20th August 2017) S Reboulet, O Szives, B Aguirre-Urreta, R Barragan, M Company, C Frau, ... Cretaceous Research 91, 100-110, 2018 | 111 | 2018 |
| Le cadre stratigraphique du Valanginien supérieur et de l’Hauterivien du Sud-Est de la France: définition des biochronozones et caractérisation de nouveaux biohorizons LG Bulot, JP Thieuloy, E Blanc, J Klein Géologie alpine 68 (1), 1992 | 105 | 1992 |
| Lower Cretaceous ammonites I, Perisphinctaceae 1 J Klein Fossilium Catalogus I: Animalia, 2005 | 96 | 2005 |
| Company J Klein, R Busnardo M., Delanoy, G., Kakabadze, M., Reboulet, St., Ropolo, P., Vašíček, Z., and …, 2007 | 55 | 2007 |
| [Proceedings of the 4th International Workshop of the Lower Cretaceous Cephalopod Team (IGCP-Project 362)/Peter F. Rawson and Philip J. Hoedemaeker (editors)]: Report on the … PF Rawson, PJ Hoedemaeker, MB Aguirre-Urreta, E Avram, M Ettachfini, ... Scripta Geologica. Special Issue 3 (1), 3-13, 1999 | 39 | 1999 |
| Lower Cretaceous Ammonites: Boreophylloceratoidea, Phylloceratoidea, Lytoceratoidea, Tetragonitoidea, Haploceratoidea, Including the Upper Cretaceous Representatives. IV J Klein, R Hoffmann, B Joly Backhuys Publishers, 2009 | 36 | 2009 |
| The Hauterivian Stage J Mutterlose, G Autran, EJ Baraboschkin, F Cecca, E Erba, S Gardin, ... Bulletin de L’Institut Royal des Sciences Naturelles de Belgique 66 …, 1996 | 33 | 1996 |
| Lower Cretaceous Ammonites: Bochianitoidea, Protancyloceratoidea, Ancyloceratoidea, Ptychoceraoidea. III J Klein, R Busnardo, Miguel Company Backhuys, 2007 | 30 | 2007 |
| Lower Cretaceous Ammonites; 5. Desmoceratoidea J Klein, Z Vašíček, W Riegraf Backhuys, 2011 | 25 | 2011 |
| Les groupements à grandes ombellifères et à xérophytes orophiles: Essai de synthèse à l'échelle de la région irano-touranienne JC Klein Phytocoenologia, 1-36, 1988 | 23 | 1988 |
| Lower Cretaceous Ammonites VI. Douvilleiceratoidea & Deshayesitoidea J Klein, T Bogdanova Fossilium Catalogus I: Animalia 151, 299, 2013 | 19 | 2013 |
| Ammonite stratigraphy of the Valanginian to Barremian for the Mediterranean region JA Klein, PJ Hoedemaeker Scripta Geologica. Special Issue 3, 97-127, 1999 | 18 | 1999 |
| Lower Cretaceous Ammonites II: Endemocerataceae: Pulchelliidae, 188-255 J Vermeulen, J Klein Fossilium Catalogus I: Animalia 141, 2006 | 15 | 2006 |
| Fossilium Catalogus. I: Animalia. Lower Cretaceous Ammonites III. Bochianitoidea, Protancyloceratoidea, Ancyloceratoidea, Ptychoceratoidea J Klein, R Busnardo, G Delanoy, MV Kakabadze, S Reboulet, P Ropolo, ... Backhuys Publ., 2007 | 11 | 2007 |
| Lower Cretaceous Ammonites: Turrilitoidea 2-Baculitidae: Including the Upper Cretaceous Representatives. J Klein Margraf Publishers, 2016 | 10 | 2016 |
| Fossilium Catalogus I: Animalia. Pars 146. Lower Cretaceous Ammonites IV: Boreophylloceratoidea, Phylloceratoidea, Lytoceratoidea, Tetragonitoidea, Haploceratoidea (2009 … J KLEIN | 10 | 2009 |
| Lower Cretaceous Ammonites: Acanthoceratoidea: Leymeriellidae, Brancoceratidae, Lyelliceratidae, Flickiidae, Forbesiceratidae: Including the Upper Cretaceous Representatives. J Klein Backhuys Publishers, 2018 | 9 | 2018 |
