The vertebrate faunas of the Pliocene Ringold Formation, south-central Washington - Gustafson, Eric Paul. (Eugene, Or. Museum of Natural History, University of Oregon, 1978)
Bibliography: p. 58-62.
Keywords: Vertebrates, Fossil -- Washington (State) -- Yakima Region; Paleontology -- Pliocene; Geology -- Washington (State) -- Yakima Region