Angulofenestrellithus snyderi Bukry, 1969
Species of Angulofenestrellithus having a narrow outer and an inner wall [weakly birefringent] and proximal plates with pores arranged at least in two complete rings and distal processes. The pores have a delicate grill in well-preserved specimens.
Bukry, D., 1969. Upper Cretaceous coccoliths from Texas and Europe. University of Kansas Paleontological Contributions, Articles 51 (Protista 2), 1-79.