Ardissonea robusta (Ralfs ex Pritchard) De Notaris

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 : 11

Ardissonea robusta (Ralfs ex Pritchard) De Notaris (Pl. 6, Fig. 3) References: Hustedt 1931 -59, p. 234, fig. 721, Witkowski et al. 2000, pl. 31, Figs 3, 4.

Features: Apical axis 200-400 µm, transapical axis 22-36 µm, striae 8-10 in 10 µm. Valves linear lanceolate with slightly obtusely rounded apices. Transapical striae parallel throughout, interrupted by two longitudinal ribs, each on one side of a very narrow central rib running from pole to pole. Remarks: Ardissonea spp. are known to be widely distributed in warm waters. In our material only A. robusta were found.