PeerJ Author & Reviewer 130 Points Contributions by role Author 100 Reviewer 30 Contributions by subject area Ecology Paleontology Biochemistry Bioengineering Marine Biology Ecotoxicology Zoology Louis G Zachos PeerJ Author & Reviewer Summary Ecology Marine Biology Paleontology Zoology Past or current institution affiliations University of Mississippi Rheinische Friedrich-Wilhelms Universität Bonn PeerJ Contributions Articles 2 April 5, 2024 Selective concentration of iron, titanium, and zirconium substrate minerals within Gregory’s diverticulum, an organ unique to derived sand dollars (Echinoidea: Scutelliformes) Louis G. Zachos, Alexander Ziegler https://doi.org/10.7717/peerj.17178 PubMed 38590702 May 21, 2019 Actuopaleoichnology of a modern Bay of Fundy macro-tidal flat: analogy with a Mississippian tidal flat deposit (Hartselle Sandstone) from Alabama Louis G. Zachos, Brian F. Platt https://doi.org/10.7717/peerj.6975 PubMed 31149409