original description
Grabau, A.W. (1923). Contribution to the fauna of the Kweicho Formation of Central China. <em>Bulletin of the Geological Survey of China.</em> 5(2): 209-218.
page(s): 218, fig. 4 [details]
From editor or global species database
Type locality "Kweichou on the Yangtze, in Hupeh province" (= Guizhou, Hubei, China) [details]