INTRODUCTION:- Micropaleontology is concerned with microfossils and nanofossils (the latter being smaller than 50 μm), the study of which must, of necessity, be carried out using the light or electron microscope. Such microfossils are:-1- The remains of unicellular and multicellular micro-organisms.2- The dissociated elements and skeletal fragments of macro-organisms. They consist of these types: Foraminifera, Ostracods, Coccolithophora, Diatoms, Radiolaria, and Dinoflagellates. Among this...