Foraminifera taxon details
Calcisphaera spinosa Williamson, 1880 †
1055153 (urn:lsid:marinespecies.org:taxname:1055153)
accepted
Species
marine
fossil only
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. <em>Philosophical Transactions of the Royal Society of London.</em> 171(0): 493-539., available online at https://archive.org/details/philtrans04248024 [details] 
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Calcisphaera spinosa Williamson, 1880 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1055153 on 2025-05-23
Date
action
by
original 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. <em>Philosophical Transactions of the Royal Society of London.</em> 171(0): 493-539., available online at https://archive.org/details/philtrans04248024 [details] 