Traits taxon details
original description
Fang, Z.-J.; Cope, J. C. W. (2004). Early Ordovician bivalves from Dali, West Yunnan, China. <em>Palaeontology.</em> 47(5): 1121-1158., available online at https://doi.org/10.1111/j.0031-0239.2004.00403.x page(s): 1136 [details] Available for editors 
basis of record
Steinová, M. (2012). Probable ancestral type of actinodont hinge in the Ordovician bivalve <i>Pseudocyrtodonta</i> Pfab, 1934. <em>Bulletin of Geosciences.</em> 87(2): 333-346., available online at https://doi.org/10.3140/bull.geosci.1330 [details] Available for editors 
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