Traits taxon details
original description
Meek, F. B. (1873). Report of the Geological Survey of Ohio,Volume 1: Geology and Palaeontology, Part 2: Palaeontology. Columbus, Ohio, Nevins & Meyers, 399 pp. [details]
basis of record
Sproat, C. D.; McLeod, J. S. (2023). Sympatric speciation driving evolution of Late Ordovician brachiopod <i>Zygospira</i> in eastern North America. <em>Journal of Paleontology.</em> 97(2): 292-317., available online at https://doi.org/10.1017/jpa.2022.102 [details]
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