Dr. Sarah Z. Gibson studies the evolutionary relationships of lower actinopterygian fishes, with a focus on the biodiversity of the Upper Triassic and Lower Jurassic geologic deposits of North America. On Twitter @gombessagirl.
Featured Image: Skull of Sellamynodon zimborensis (holotype, UBB MPS 15795), a Late Eocene-Early Oligocene amynodontid from Dobârca (Romania). From Tissier et al. (2018), CC-BY. Papers (All Open Access): The Cambrian–Ordovician succession at Lanna, Sweden: stratigraphy and