Diploneis cf. interrupta (Kützing) Cleve (1894: 84)

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 : 124

Diploneis cf. interrupta (Kützing) Cleve (1894: 84) ( Fig. 35 )

References: Hustedt 131–1959, figs 1019a; Krammer & Lange-Bertalot 1986, p. 292, pl. 112, figs 5, 6; Witkowski et al. 2000, p. 188, pl. 94, figs 17–19, Pennesi et al. 2017, p. 198, figs 10–16.

Features: Length 52–68 μm, width 18–22 μm, striae 9–12 in 10 μm.

Description: Valves panduriform, constricted at the center with rounded apices. Raphe fissures straight. Axial area broad, longitudinal canals linear, slightly convex on the outer margin. Transapical striae parallel at the center, strongly radiate near the apices.

Ecology and Distribution: A widespread species in marine and brackish water. Previously reported from the Gulf (Al-Yamani & Saburova 2011). Rare in Basra corals.

Figures

FIGURES 21–37. Marine benthic diatoms in coral reefs off Basra. Fig. 21. Mastogloia quinquecostata, Fig. 22. Cocconeis latecostata, Fig. 23. Berkeleya scopuloru, Figs 24, 25. Climaconei sp. Fig. 26. Parlibellus rhombiformis, Fig. 27. Parlibellus sp., Fig. 28. Biremis ambigua, Fig. 29. Fallacia forcipata, Fig. 30. Fallacia nummularia, Fig. 31 Fallacia sp., Fig. 32. Progonoia musca, Fig. 33. Caloneis elongata, Fig. 34. Caloneis liber, Fig. 35. Diploneis cf. interrupta, Fig. 36. Diploneis chersonensis, Fig. 37. Diploneis fusca.