Micropaleontology
Micropaleontology (American spelling; spelled micropalaeontology in European usage) is the branch of paleontology (palaeontology) that studies microfossils, or fossils that require the use of a microscope to see the organism, its morphology and its characteristic details. == Microfossils == Microfossils are fossils that are generally between 0.001mm and 1 mm in size, the study of which requires the use of optical microscopes or electron microscopy.