FIGURE 13. a in Notes on the diatom collection of the Natural History Museum, London (BM) V: (a) 'Stictodiscus manillensis' nom. nud., (b) Stictodiscus pantocsekii and 'Stictodiscus pantocsekii var. minor', (c) a note on the name 'Stictodiscella'; and (d) some comments on Jósef Pantocsek's Beiträge zur Kenntnis der Fossilen Bacillarien

FIGURE 13. a. Illustration of specimens accompanying Schütt's classification (Schütt 1896: fig. 93). b. Schütt's classification of Stictodiscus as three sections ("Sect."): "Sect. I", Eustictodiscus, "Sect. II", Stictodiscella, and "Sect. III", Cladogramma Ehrenberg (Schütt 1896: 69).