The Protozoan Phylum Apicomplexa: Volume 2

About the turn of the century the Apicomplexa plus some other groups were called Sporozoa. With the advent of the electron microscope, it was realized that most "Sporozoa" have an apical complex; those which do not (the Microspora, Myxozoa, and Ascetospora) were removed and the name Apicomplexa was put forward by Dr. Levine in 1970. Most of the important Apicomplexa fall into five main groups: the gregarines, haemogregarines (about which there is relatively little known), coccidia, haemospo...