IRMNG taxon details
original description
Ewin, T. A. M.; Reich, M.; Graham, M. R.; Cournoyer, M. E. (2019). Perforocycloides nathalieae new genus and species, an unusual Silurian cyclocystoid (Echinodermata) from Anticosti Island, Québec, Canada. <em>PalZ.</em> 93(4): 625-635., available online at https://doi.org/10.1007/s12542-019-00483-w [details]
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