original description
Clark, B.L.; Arnold, R. (1923). Fauna of the Sooke Formation, Vancouver Island. With description of a new coral by T. Wayland Vaughan. <em>Bulletin of the Department of Geological Sciences, University of California.</em> 14(5): 123-234.
page(s): 164, pl. 32, fig. 1 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 224 [details] Available for editors [request]
From editor or global species database
Type locality Sea cliffs between mouths of Muir and Kirby creeks, west of Otter Point, Sooke, Vancouver Island (Leland Stanford Junior University (LSJU) loc. N.P. 129), British Columbia, Canada; Sooke Formation, late Oligocene [details]