PeerJ Author 175 Points Contributions by role Preprint Author 175 Contributions by subject area Ecology Evolutionary Studies Molecular Biology Paleontology Virology Zoology Anatomy and Physiology Piotr Bajdek PeerJ Author Summary Ecology Evolutionary Studies Paleontology Zoology Websites Google Scholar PeerJ Contributions Preprints 3 January 7, 2019 - Version: 1 Speciation rates of subviral pathogens of angiosperms abruptly decreased at the Cretaceous–Paleogene boundary Piotr Bajdek https://doi.org/10.7287/peerj.preprints.27469v1 December 17, 2018 - Version: 2 Hypothesis: Avian flight originated in arboreal archosaurs gliding on membranous wings Piotr Bajdek, Tomasz Sulej https://doi.org/10.7287/peerj.preprints.27213v2 May 6, 2018 - Version: 2 Comparative digestive physiology of archosaurs with notes on bird origins Piotr Bajdek https://doi.org/10.7287/peerj.preprints.26902v2
