Project 4337: C. J. EVERETT, T. A. DEMÉRÉ, A. R. WYSS. 2023. A new species of Pinnarctidion from the Pysht Formation of Washington State (U.S.A.) and a phylogenetic analysis of basal pan-pinnipeds (Eutheria, Carnivora). Journal of Vertebrate Paleontology. 42 (2):e2178930.
