FIGURE 5 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia

FIGURE 5. Diminution size reduction series pictures of A. jewsonii taken at two focal heights to examine the diameter accurately (A–C, E–G). Three valves in a filament (D, H) the top valve is a separation valve while the bottom two are linking valves. The holotype is shown at different focal heights (I–L).