Traits name details
original description
Herrick, C. L. (1888). The geology of Licking County, Ohio. Part IV. The Subcarboniferous and Waverly groups. <em>Bulletin of the Scientific Laboratories of Denison University.</em> 3: 13-110., available online at https://www.biodiversitylibrary.org/page/7741943 page(s): 36, pl. 6, fig. 1 [details]
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