Traits taxon details
original description
Hall, J. (1867). Descriptions and figures of fossil Brachiopoda of the Upper Helderburg, Hamilton, Portage and Chemung Groups. <em>Natural History of New York, Palaeontology.</em> 4(1): 428 pp. Geological Survey of New York, Albany. [details]
basis of record
Mergl, M.; Budil, P. (2019). Rhynchonelliform brachiopods and trilobites of the 'upper dark interval' in the koněprusy area (Devonian, Eifelian, Kačák Event; the Czech Republic). <em>Fossil Imprint.</em> 75(1): 92-107., available online at https://doi.org/10.2478/if-2019-0008 [details]
additional source
Johnson, J. G. (1970). Early Middle Devonian brachiopods from central Nevada. <em>Journal of Paleontology.</em> 44: 252-264. [details] Available for editors 
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