New early Ordovician calcareous foraminifers of the middle Tien Shan
Paleontological Journal
40(1): 11-19
Publication
Available for editors
Twelve new species of calcareous foraminifers of the genera Parathurammina, Parathuramminites, Bisphaera, Archaesphaera, and Vicinesphaera from the Lower Ordovician of the Middle Tien Shan are described.