Traits taxon details
original description
Webers G.F., Pojeta J., Yochelson E.L. (1992). Cambrian Mollusca from the Minaret Formation, Ellsworth Mountains, West Antarctica. <em>Geological Society of America Memoir.</em> 170:181-248., available online at https://doi.org/10.1130/MEM170-p181 page(s): 204, pl. 7, fig. 8-13; pl. 8, fig. 1-12; pl. 9, fig. 1, 2 [details]
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