| Fig. | | Page | | 1 | Amphora gigantea var. fusca A. S. | 65 | | 2 | Meloseira crenulata (Ehr.) Kuetz. | 15 | | 3-4 | Licmophora baileyi (Edw.) Grun. | 40 | | 5 | Coscinodiscus polyacanthus Grun. | 22 | | 6-7 | Ditylum intricatum (West) Grun. | 30 | | 8 | Pyxidicula cruciata Ehr. | 19 | | 9 | Gyrosigma scalproides (Rab.) Cl. | 76 | | 10 | Coscinodiscus asteromphalus var. omphalantha (Ehr.) Grun. | 23 | | 11 | Rhabdonema minutum Kuetz. | 36 | | 12 | Gyrosigma kuetzingii (Grun.) Cl. | 76 | | 13 | Gyrosigma prolongatum (Wm. Sm.) Cl. | 76 | | 14 | Cymbella parva (Wm. Sm.) Cl. | 61 | | 15 | Gomphoneis herculaneum (Ehr.) Cl. (zone view) | 70 | | 16 | Cymbella ventricosa Kuetz. | 62 | | 17-18 | Eunotia sp. (abnormal?) | 54 | | | | Fig. | | Page | | 1 | Amphora gigantea var. fusca A. S. | 65 | | 2 | Meloseira crenulata (Ehr.) Kuetz. | 15 | | 3-4 | Licmophora baileyi (Edw.) Grun. | 40 | | 5 | Coscinodiscus polyacanthus Grun. | 22 | | 6-7 | Ditylum intricatum (West) Grun. | 30 | | 8 | Pyxidicula cruciata Ehr. | 19 | | 9 | Gyrosigma scalproides (Rab.) Cl. | 76 | | 10 | Coscinodiscus asteromphalus var. omphalantha (Ehr.) Grun. | 23 | | 11 | Rhabdonema minutum Kuetz. | 36 | | 12 | Gyrosigma kuetzingii (Grun.) Cl. | 76 | | 13 | Gyrosigma prolongatum (Wm. Sm.) Cl. | 76 | | 14 | Cymbella parva (Wm. Sm.) Cl. | 61 | | 15 | Gomphoneis herculaneum (Ehr.) Cl. (zone view) | 70 | | 16 | Cymbella ventricosa Kuetz. | 62 | | 17-18 | Eunotia sp. (abnormal?) | 54 | |
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