Foraminifera taxon details
original description
Thompson, M. L. (1934). The Fusulinids of the Des Moines Series of Iowa. <em>University of Iowa Studies. Studies in Natural History 284.</em> 16(4): 273-332., available online at https://archive.org/details/in.ernet.dli.2015.25897/page/n287 [details]
original description
(of Fusulina exigua Schellwien, 1910 †) Staff, H. von. (1910). Die Anatomie und Physiologie der Fusulinen. <em>Zoologica.</em> 22(58): 1-93. [details]
basis of record
Ellis, B. F.; Messina, A. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]
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