Scanning electron micrographs of Euglypha ciliata. (A-C) Broad lateral view of three specimens to show general shape, arrangement of shell plates and disposition of spines. (D) Narrow lateral view. (E) View of aboral region illustrating spines and their attachment to the shell surface. (F) Lateral view of apertural region. (G) Close up view of aperture. (H) Close up view of a single spine. (I) Detail of shell surface to show overlapping shell-plates.