Rodzaj Smithocycloides Boczarowski, 2001
Gatunek typowy Opis Marginals with small hole for radial duct, narrow crest, without tubercles on cupules but with tubercles on dorsal side. Synonimy Zasięg czasowy mid Frasnian (Late Devonian) Literatura Boczarowski, A. 2001. Isolated sclerites of Devonian non-pelmatozoan echinoderms. Palaeontologia Polonica 59, 3−220. |
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