Earth Sciences, Volume X: Principles of Zoological Micropalaeontology highlights the morphological, phylogenetic and ecological analysis of microfossils. This book is composed of 10 chapters that survey the most important microfossil taxa, their variety of form, evolution, relationships, and distribution. The opening chapter provides an introduction to the historical development of micropalaeontology. The succeeding chapters present the procedures for the collection, preparation, and microstratigraphic analysis of microfossils. The remaining chapters discuss the morphological, ecological, and phylogenetic properties of Radiolaria, Thekamoebae, Foraminifera, Tintinnina, Incertae sedis, Chitinozoa, and Hystrichosphere microfossils. This book is intended as a textbook and as a manual for practicing micropalaeontologists.