https://biblio.naturalsciences.be/rbins-publications/bulletin-of-the-royal-belgian-institute-of-natural-sciences-earth-sciences/bulletin-of-the-royal-belgian-institute-of-natural-sciences-earth-sciences/donavan_flosculichnus_2005
Flosculichnus tectus, an etched attachment scar from the Upper Cretaceous (Maastrichtian) of The...