PeerJ Author 70 Points Contributions by role Preprint Author 70 Contributions by subject area Biodiversity Evolutionary Studies Paleontology Taxonomy Freshwater Biology Joseph H. Hartman PeerJ Author Summary Paleontology Taxonomy Past or current institution affiliations University of North Dakota Work details Professor University of North Dakota Harold Hamm School of Geology and Geological Engineering Websites jhartmanpaleo PeerJ Contributions Preprints 1 December 1, 2014 - Version: 2 Comparing size of morphospace occupation among extant and cretaceous fossil freshwater mussels using Elliptical Fourier Analysis Matt Burton-Kelly, Joseph H Hartman https://doi.org/10.7287/peerj.preprints.626v2