PeerJ Author & Reviewer 100 Points Contributions by role Author 100 Contributions by subject area Evolutionary Studies Paleontology Łucja Fostowicz-Frelik PeerJ Author & Reviewer Summary Biodiversity Biogeography Evolutionary Studies Paleontology Zoology PeerJ Contributions Articles 1 July 22, 2019 Appendicular skeleton of Protoceratops andrewsi (Dinosauria, Ornithischia): comparative morphology, ontogenetic changes, and the implications for non-ceratopsid ceratopsian locomotion Justyna Słowiak, Victor S. Tereshchenko, Łucja Fostowicz-Frelik https://doi.org/10.7717/peerj.7324 PubMed 31367485