Cyclotella stylorum Brightwell (1860: 96)

Al-Handal, Adil Y., Thomas, Evan W. & Pennesi, Chiara, 2018, Marine benthic diatoms in the newly discovered coral reefs, off Basra coast, Southern Iraq, Phytotaxa 372 (2), pp. 111-152 : 114

Cyclotella stylorum Brightwell (1860: 96) ( Fig. 3 )

References: Brightwell 1860, pl. 6, fig. 16; Krammer & Lange-Bertalot 1991, p. 46, pl. 59, fig. 6; Desikachary 1988, pl. 560, figs 1,2,5, 10; Hendey, 1970, p.112, pl. 6, fig. 68.

Features: Diameter 36–60 μm, marginal striae 13–15 in 10 μm.

Description: Valves circular, central area slightly undulate to nearly flat, coarsely punctate. Marginal striae radiate, occupy 1/3 the distance to valve center.

Ecology and Distribution: Widely distributed brackish water and marine species, more common in warm waters. Previously known from the Gulf ( Hendey 1970). Frequent in Basra corals.

Figures

FIGURES 2–10. Marine benthic diatoms in the coral reefs off Basra. Fig. 2. Cyclotella striata, Fig. 3. Cyclotella stylorum, Fig. 4. Tryblioptychus cocconeiformis, Figs 5, 6. Podosira stelliger, Fig. 7. Paralia sulcata, Fig. 8. Coscinodiscus centralis, Fig. 9. Coscinodiscus marginatus, Fig. 10. Triceratium robertsianum.