Type collection to Bolli, H.M. (1960). Bireophax, a new genus of the foraminiferal family Rheophacidae. Eclogae geol. Helv. 53(2):493-496. The collection includes the generotype, holotype and paratypes to Bireophax guaricoensis Bolli (in Fema-cells).

 

For further comments see also Bolli, H.M. (1962a). The genus Bireophax, a synonym of Thomasinella. Contributions from the Cushman Foundation for Foraminiferal Research, 13(2):31-32.

 

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