Traits taxon details
original description
Whitfield R.P. (1886). Notice of geological investigations along the eastern shore of Lake Champlain, conducted by Prof. H.J. Seely and Pres. Ezra Brainerd, of Middlebury College, with descriptions of the new fossils discovered. <em>Bulletin of the American Museum of Natural History.</em> 1(8): 24-35. [details]
additional source
Horný, R. J. (1997). Ordovician Tergomya and Gastropoda (Mollusca) of the Anti-Atlas (Morocco). <em>Acta Musei Nationalis Pragae, Series B - Historia Naturalis.</em> 53(3-4): 37-78. [details] Available for editors 
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