Traits taxon details
original description
(of ) Barrande J. (1881). <i>Systême silurien du centre de la Bohême. Première partie: Recherches paléontologiques, vol. 6. Classe des Mollusques. Ordre des Acéphalés</i>. Prague: Published by the author. , available online at https://www.biodiversitylibrary.org/page/14947496 page(s): pl. 265, fig. III(1-12) [details]
additional source
Carter, R. M. (1971). Revision of Arenig Bivalvia from Ramsey Island, Pembrokeshire. <em>Palaeontology.</em> 14(2): 250-261. [details] Available for editors 
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