Diploneis weissflogii (A.Schmidt) Cleve

Al-Handal, Adil Y., Compère, Pierre & Criobe-Usr, Catherine Riaux-Gobin, 2016, Marine benthic diatoms in the coral reefs of Reunion and Rodrigues Islands, West Indian Ocean, Micronesica 2016 (3), pp. 1-78 : 26-27

Diploneis weissflogii (A.Schmidt) Cleve (Pl. 8, Fig. 13)

References: Hustedt 1931 -59, fig. 1085; Witkowski et al. 2000, pl. 92, figs 4-5, pl. 94, figs 12-13.

Features: Apical axis: 18-28 µm, transapical axis: 12-18 µm, striae 8-9 in 10 µm. Valves elliptical with round to slightly produced apices, sharply constricted in the middle forming tongue-shaped halves. Central raphe endings small and elongate. Horns parallel and approaching at ends. Costae marked and elongated in mid-valve, slightly radiate and interrupted by several longitudinal ribs.

Remarks: Only small specimens have been found in the Mascarenes and all with one half of the valve slightly larger than the other. Widespread species in warm waters.

Occurrence: Rare in Reunion and Rodrigues Islands. Previously reported from Seychelles (G).