Nitzschia distans Gregory (1857: 530)

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 : 138

Nitzschia distans Gregory (1857: 530) ( Fig. 92 )

References: Ricard 1987, figs 1069–1072; Witkowski et al. 2000, p. 378, pl. 203, figs 7–9.

Features: Length 78–110 μm, width 7–8 μm, fibulae irregular, 2–3 in 10 μm, striae 30 in 10 μm.

Description: Valves linear lanceolate with acutely rounded apices. In girdle view, frustules appear with inflated ends. Raphe central, fibulae coarse, unevenly spaced.

Ecology and Distribution: Widely distributed species. Previously reported from the Gulf (Al-Yamani & Saburova 2011). Frequent in Basra corals.

Figures

FIGURES 91–102. Marine benthic diatoms in coral reefs off Basra. Fig. 91. Nitzschia behrei, Fig. 92. Nitzschia distans, Fig. 93. Nitzschia fluminensis, Fig. 94. Nitzschia lorenziana, Fig. 95. Nitzschia sigma, Fig. 96. Nitzschia sp., 97. Pssamodictyon panduriformis Fig. 98. Tryblionella coarctata, Fig. 99. Tryblionella didyma, Fig. 100. Tryblionella nicobarica, Fig., Fig. 101. Amphiprora sulcata, Fig. 102. Auricula intermedia.