List of the material analyzed in this study.

B: bone, H: humerus, F: femur, E: epipodial indet.; C: compactness (in %), MD: maximal diameter (in mm), MiT: microanatomical type. The included references refer to papers where some sections, which were reanalyzed in the present study, were previously described. IPB: Institute for Paleontology, University of Bonn, Germany; LO: Lund Original, Department of Geology, Lund University, Sweden; PIMUZ: Paläontologisches Institut und Museum, Universität Zürich, Switzerland; SMNS: Staatliches Museum für Naturkunde Stuttgart, Germany; ULg: Palaeontological Collections, Université de Liège, Belgium.