Light (A, C, D) and scanning electron (B, E-I) micrographs of Difflugia oblonga. (A, B) View of several specimens to illustrate variability in shape and size of the shell. (C, D) View of two live specimens to illustrate a single long endolobopodia. (E) Lateral view. (F) Apertural view. (G) Close up view of aperture. (H) Portion of shell to show arrangement of particles and rough surface of the shell. (I) Detail of organic cement network.