none
Geological Time: Paleogene Eocene
holotype
View of a specimen of Cassidulina havanensis Cushman & Bermúdez, 1936
The identification is based upon:
, : Cushman, J. A.; Bermúdez, P. J. (1936). New genera and species of Foraminifera from the Eocene of Cuba. Contributions from the Cushman laboratory for foraminiferal research. 12(2): 27-38. Plate , Fig.