Traits taxon details
original description
Ebbestad, J. O. R.; Peel, J. S. (2001). An unusual trochiform gastropod from the upper Ordovician of Sweden. <em>Palaeontology.</em> 44(2): 375-387., available online at https://doi.org/10.1111/1475-4983.00184 page(s): 377-380, pl. 1, figs 1-6, textfig. 2A-D [details] Available for editors 
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