Nitzschia sp.

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 : 139

Nitzschia sp. ( Fig. 96 )

Features: Length 80–85 μm, width 12–13 μm, striae 14–15 in 10 μm.

Description: Valves linear-elliptic, very slightly constricted in the middle with short cuneate apices. Raphe strongly eccentric. Fibulae evenly spaced, 14–15 in 10 μm. Striae very fine and hardly resolved under light microscope. Striae crossed by broad longitudinal hyaline area occupying half of valve face leaving short striae on both margins.

Ecology and Distribution: Rare 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.