Traits taxon details
original description
Billings, E. (1858). New genera and species of fossils from the Silurian and Devonian formations of Canada. <em>The Canadian Naturalist and Geologist.</em> 3(6): 419-444. Ottawa., available online at https://www.biodiversitylibrary.org/page/33745691 page(s): 440 [details]
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