Traits taxon details
original description
(of Robulus chiranus Cushman & Stone, 1947 †) Cushman, J. A.; Stone, B. (1947). An Eocene foraminiferal fauna from the Chira Shale of Peru. <em>Special Publ. No. 20, Cushman Lab. Foram. Res.</em> 1-27. [details]
new combination reference
Fairchild, W.W.; Wesendunk, P.R.; Weaver, D.W. 1969. Eocene and Oligocene foraminifera from the Santa Cruz mountains, California. University of California Publication in Geological Sciences 81: 1-144. [details]
From editor or global species database
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