Early Cretaceous planktonic foraminifera from the Tethys

Early Cretaceous planktonic foraminiferal assemblages include rare planispiral and pseudoplanispiral morphotypes with elongate chambers that BouDagher-Fadel et al. assigned to...早白垩世浮游有孔虫组合（planktonic foraminiferal assemblages）中包含少量罕见的、具有伸长房室（elongate chambers）的平旋形态型（planispiral morphotypes）与假平旋形态型（pseudoplanispiral morphotypes），该类群已由布达格尔-法德尔（BouDagher-Fadel）等人归入……