Acanthomorphic
acritarchs from Big Creek (LK). Scale bar is 50 µm in
all images. All images except A, E, G, H, L and N are stacked photographs
(image created using Helicon Focus software) originally taken at 400x
magnification. Images E, G, H, L and N are single photographs taken at 400x
magnification. Image A was created using the SEM.