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): 35, pl. 5, figs 47-50 [details]
From editor or global species database
Type locality "Loc. No. 2 (University of Washington Palaeontological Collection). On Olequah Creek, one mile above junction of Olequah and Stillwater creeks, west of the Cantwell place." (Washington, USA) [details]