Traits taxon details
original description
(of ) Hicks, H. (1873). On the Tremadoc rocks in the neighbourhood of St. David's, South Wales, and their fossil contents. <em>Quarterly Journal of the Geological Society of London.</em> 29(1): 39-52., available online at https://www.biodiversitylibrary.org/page/39050885 page(s): 47-48, pl. 5, figs 8, 9 [details] 
basis of record
Carter, R. M. (1971). Revision of Arenig Bivalvia from Ramsey Island, Pembrokeshire. <em>Palaeontology.</em> 14(2): 250-261. page(s): 253-254, pl. 38, figs 3-6; note: genus in quotes [details] Available for editors 
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