Calcisphaera cancellata Williamson, 1880
Description Williamson, W. C. (1880). On the Organization of the Fossil Plants of the Coal-Measures. Part X. Including an Examination of the Supposed Radiolarians of the Carboniferous Rocks. Philosophical Transactions of the Royal Society of London. 171(0): 493-539., available online at https://archive.org/details/philtrans04248024
page(s): p. 521 pl. 20 fig. 79
Author Le Coze, François
JPG file - 10.63 kB - 103 x 124 pixels
added on 2018-01-19695 viewsTraits taxa