Fischer, J. & Buchwitz, M. & Trostheide, F. (2016)
An Early Carboniferous chondrichthyan assemblage from the limestone quarry of Bad Grund (Harz Mountains, Germany) [Abstract]. In Programme and Abstracts, 87th Annual Conference of the Palaontologische Gesellschaft e.V., Dresden 2016: 57

Fischer, J. & Licht, M. & Kriwet, J. & Schneider, J.W. & Buchwitz, M. & Bartsch, P. (2014)
Egg capsule morphology provides new information about the interrelationships of chondrichthyan fishes. Journal of Systematic Palaeontology, 12(3), 389–399
DOI: 10.1080/14772019.2012.762061

Franeck, F. & Schneider, J.W. & Fischer, J. & Kogan, I. & Buchwitz, M. & Spindler, F. & Voigt, S. (2012)
Microvertebrate remains from the non-marine Triassic Madygen Formation of Kyrgyzstan [Abstract]. Terra Nostra, 2012(3), 57–58

Licht, M. & Fischer, J. & Kriwet, J. & Schneider, J.W. & Buchwitz, M. & Bartsch, P. (2012)
Chondrichthyan egg capsule morphology and its possible phylogenetic information [Abstract]. In Abstractband IX. Tagung der Gesellschaft für Ichthyologie e.V.(GFI), 28.–30. September 2012 in Düsseldorf:

Fischer, J. & Voigt, S. & Schneider, J.W. & Buchwitz, M. & Voigt, Si. (2011)
A selachian freshwater fauna from the Triassic of Kyrgyzstan and its implication for Mesozoic shark nurseries. Journal of Vertebrate Paleontology, 31(5), 937–953
DOI: 10.1080/02724634.2011.601729

Fischer, J. & Buchwitz, M. & Voigt, S. & Schneider, J.W. (2009)
How certain is the assignment of fossil chondrichthyan egg capsule types to potential producer groups? Abstract. In Daniela SCHWARZ–WINGS, Oliver WINGS & Franziska SATTLER(Editors); 7th Annual Meeting of the European Association of Vertebrate Palaeontologists: 29

Fischer, J. & Voigt, S. & Buchwitz, M. & Schneider, J.W. (2009)
The selachian fauna from the non-marine middle to late Triassic Madygen Formation (Kyrgyzstan, Central Asia): preliminary results [Abstract]. Journal of Vertebrate Paleontology, 29(Supplement to Number 3), 95A–96A

Fischer, J. & Schneider, J.W. & Buchwitz, M. (2008)
Pedicle ribbing structure of the egg capsule Palaeoxyris reflects a Palaeozoic to Mesozoic change-over in its chondrichthyan producers [Abstract]. Erlanger Geologische Abhandlungen, Sonderband 6, 85–86

Fischer, J. & Voigt, S. & Buchwitz, M. (2007)
First elasmobranch egg capsules from freshwater lake deposits of the Madygen Formation (Middle to Late Triassic, Kyrgyzstan, Central Asia). Freiberger Forschungshefte, C524, 41–46

Fischer, J. & Voigt, S. & Buchwitz, M. (2007)
Two distinctive elasmobranch egg capsules from freshwater deposits of the Madygen Formation (Middle to Upper Triassic, Southwestern Kyrgyzstan, Central Asia). 77. Jahrestagung der Paläontologischen Gesellschaft, Freiberg, 17.–19. September 2007, abstracts; Wissenschaftliche Mitteilungen des Institutes für Geologie, 36: 39