PeerJ Author 270 Points Contributions by role Author 270 Contributions by subject area Evolutionary Studies Paleontology Histology Ecology Zoology Humberto G Ferrón PeerJ Author Summary Ecology Paleontology Zoology PeerJ Contributions Articles 2 December 21, 2022 A new Meckel’s cartilage from the Devonian Hangenberg black shale in Morocco and its position in chondrichthyan jaw morphospace Merle Greif, Humberto G. Ferrón, Christian Klug https://doi.org/10.7717/peerj.14418 PubMed 36573235 December 6, 2017 Ecomorphological inferences in early vertebrates: reconstructing Dunkleosteus terrelli (Arthrodira, Placodermi) caudal fin from palaeoecological data Humberto G. Ferrón, Carlos Martínez-Pérez, Héctor Botella https://doi.org/10.7717/peerj.4081 PubMed 29230354