De Boodt, C. (2018). Towards putting order to the events leading up to the Late Ordovician mass extinction: integrated biochemostratigraphy of the Maquoketa group in IGWS core 440 from NW Indiana, USA. MSc Thesis. Universiteit Antwerpen/Universiteit Gent/Vrije Universiteit Brussel: Antwerpen, Gent, Brussel. biblio + 9 pls. + 30 pp., more
De Boodt, C.; De Backer, T.; McLaughlin, P.; De Weirdt, J.; Emsbo, P.; Vandenbroucke, T. (2018). Can chitinozoan biostratigraphy of the Maquoketa Group (Illinois Basin, USA) help unravel the order of events leading up to the Late Ordovician mass extinction?, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Marine Scientist Day. Bredene, Belgium, 21 March 2018. VLIZ Special Publication, 80: pp. 80, more
