Nitzschia lorenziana Grunow, 1879

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 lorenziana Grunow in Cleve & Möller (1879: 208) ( Fig. 94 )

References: Krammer & Large-Bertalot 1988, p. 125, pl. 86, figs 6–10; Witkowski et al. 2000, p. 392, pl. 210, figs 24, 25, pl. 211, fig. 3, pl. 212, figs 1–3.

Features: Length 90–123 μm, width 4–5 μm, fibulae 7–9 in μm 10, striae 16–18 in 10 μm.

Description: Valves linear lanceolate, sigmoid with long rostrate apices. Raphe eccentric, fibulae unevenly spaced, the two centric fibulae are more spaced.

Ecology and Distribution: A widespread brackish water species. Previously reported from the Gulf ( Hendey 1970, 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.