Traits taxon details
original description
Ulrich, E. O.; Scofield, W. H. (1894). The Lower Silurian Lamellibranchiata of Minnesota. In: E. O. Ulrich, W. H. Scofield, J. M. Clarke & N. H. Winchell (eds), Final Report of the Geological and Natural History Survey of Minnesota, vol. 3, part 2, The Geology of Minnesota. Paleontology. p. 475–628, pl. 35–46., available online at https://www.biodiversitylibrary.org/page/14923334 page(s): 512 [details]
additional source
Pojeta, J. Jr.; Zhang, R.-J.; Yang, Z.-Y. (1986). Systematic paleontology of Devonian pelecypods of Guangxi and Michigan. In: Pojeta, J. Jr. Devonian Rocks and Lower and Middle Devonian Pelecypods of Guangxi, China, and the Traverse Group of Michigan. <em>United States Geological Survey Professional Paper.</em> 1394-G: 57-102., available online at https://doi.org/10.3133/pp1394AG page(s): 71 [details]
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