Traits taxon details
original description
Copper, P. (1978). Devonian atrypoids from western and northern Canada. <em>Geological Association of Canada Special Papers.</em> 18: 289-331. [details]
additional source
Treatise on Invertebrate Paleontology. (1997-2007). Part H revised, Brachiopoda. <em>Geological Society of America, Boulder; and University of Kansas Press, Lawrence,.</em> vol. 1-6. note: Treats this taxon as a genus (rather than subgenus). [details]
additional source
Yu, W.; Copper, P.; Jia-Yu, R. (1983). Distribution and Morphology of the Devonian Brachiopod Punctatrypa. <em>Journal of Paleontology.</em> 57(5): 1067-1089. note: Treats this taxon as a subgenus. [details]
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