Traits taxon details
original description
Smith, A. B. & Rader, W. L. (2009). Echinoid diversity, preservation potential and sequence stratigraphical cycles in the Glen Rose Formation (early Albian, Early Cretaceous), Texas, USA. <em>Palaeobiodiversity and Palaeoenvironments.</em> 89: 7–52. page(s): 29-30; figs 10J-L, 11B [details] Available for editors
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