The Great Barrier Reef
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Figure 14.9 Centric diatoms. A, Actinoptychus sp. (scale bar 25 μm); B, Bacteriastrum sp. 1, terminal valve (scale
bar 50 μm); C, Bacteriastrum sp. 2, terminal valve (scale bar 50 μm); D, Bacteriastrum sp. 2, intercalary valve (scale
bar 50 μm); E, F, Coscinodiscus sp. E, top of valve; F, valve edge (scale bar 50 μm); G, Paralia sp., intercalary valve
(scale bar 25 μm); H, Triceratium sp. (scale bar 25 μm); I, Pseudoguinardia sp. (scale bar 200 μm); J, Proboscia
sp. (scale bar 100 μm); K, Rhizosolenia sp. (scale bar 100 μm); L, Chaetoceros sp. 1 (scale bar 100 μm); M, Chaetoceros sp. 2 (scale bar 100 μm); N, Rhizosolenia robusta (scale bar 200 μm). Pennate diatoms. O, Gyrosigma sp.
(scale bar 20 μm); P, Pseudonitzschia sp. (scale bar 25μm); Q, Thalassionema nitzschoides (scale bar 25 μm);
R. Nitzschia sp. (scale bar 100 μm); S, Nitzschia sp. (scale bar 50 μm). (Photo: K. Heimann.)
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