original description
Weaver, C. E. (1912). A preliminary report on the Tertiary paleontology of Western Washington. <em>Washington Geological Survey Bulletin.</em> 15: 1-80, 15 pls.
page(s): 36, pl. 2, figs 23-24 [details]
From editor or global species database
Type locality On Olequah Creek one mile above junction with Stillwater Creek, back of Cantwell place, Sec. 29, T. 11 N., R. 2 W., near Vader, Washington, United States; Cowlitz Formation, Bartonian, late Eocene [details]