Traits taxon details
original description
(of Pleurotomaria beckwithana McChesney, 1859) McChesney, J. (1859). Descriptions of new species of fossils from the Palaeozoic rocks of the Western States. <em>Transactions of the Chicago Academy of Sciences, [Extract 1].</em> 1–76. page(s): 61 [details]
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