Mottequin, B. & Fischer, J. & Goolaerts, S. & Olive, S. (2022)
Revisiting the chondrichthyan egg capsules inventory from the Pennsylvanian (Carboniferous) of Belgium: new data and perspectives.
The Science of Nature, 109(4), Article 39 DOI: 10.1007/s00114-022-01809-6