The Ehrenberg collection of microfossils in the Natural History Museum, Berlin contains the original reference material for a single genus of agglutinated foraminifera – BolivinopsisYakovlev, 1891. Among the foraminiferal specimens preserved in the collection, a single specimen was selected and illustrated by Ehrenberg (1854) as Spiroplecta rosula. This species was subsequently designated by Kisselman (1964) as the senior synonym of Bolivinopsis capitataYakovlev, 1891, making it the type species of Bolivinopsis by virtue of synonymy. According to Kisselman (1964), the type specimens of B. capitata were deposited in the Central Geological Museum in...

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