original description(ofPayettia malheurensis J. Henderson & Rodeck, 1934 †)Henderson, J. & Rodeck, H. G. (1934). New species of Pliocene Mollusca from Eastern Oregon. <em>Journal of Paleontology.</em> 8(3): 264-269. page(s): 267, pl. 37, figs 5a-d [details] Available for editors [request]