Traits taxon details
original description
(of ) Cooper, G. A. (1956). Chazyan and related brachiopods. <em>Smithsonian Miscellaneous Collections.</em> 127: 1-1245. [details] Available for editors 
new combination reference
Holmer, L. E. (2000). Redescription of the Ordovician acrotretoid brachiopod Conotreta Walcott, 1889. <em>G.F.F.</em> 122(3): 313-318. [details]
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