Traits taxon details
original description
(of ) 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(17): 193-345. page(s): 322, pl. 29, figs 1–3 [details] 
basis of record
King, A. H. (1998). A review of the cyclostomiceratid nautiloids, including new taxa from the Lower Ordovician of Öland, Sweden. <em>Palaeontology.</em> 44: 335-347., available online at https://www.biodiversitylibrary.org/page/49739416 [details]
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