Foraminifera taxon details
original description
(of Calcisphaera hexagonata Williamson, 1880 †) 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] 
new combination reference
Vachard, D. (1994). Foraminifères et moravamminides du Givétien et du Frasnien du domaine Ligérien (Massif Armoricain, France) - Foraminifera and moravamminids from the Givetian and Frasnian of the Ligerian realm, Armorican Massif, France. <em>Palaeontographica. Abteilung A: Palaeozoologie Stratigraphie.</em> 231(1-3): 1-92. [details] Available for editors [request]
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