Traits name details
original description
Meek, F. B. (1872). Descriptions of new western Palaeozoic fossils, mainly from the Cincinnati Group of the Lower Silurian Series of Ohio. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 23: 308-337 ["1871"]., available online at https://www.biodiversitylibrary.org/page/5512153 page(s): 321 [details]
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