Cocconeis carinata Riaux-Gobin, Ector & Witkowski, 2019

Lobban, Christopher S. & Witkowski, Andrzej, 2023, Marine benthic diatoms of Guam: new records, Dictyoneis apapae sp. nov., and updates to the checklist, Micronesica 2023 (2), pp. 1-75 : 7-8

Cocconeis carinata Riaux-Gobin, Ector & Witkowski Figs 39–41

Ref. illus.: Riaux-Gobin et al. 2019, figs 1–35

Samples: GU70A-2A, GU68A-2, inter alia

Dimensions: Length 8 µm, width 5 µm; stria density 26 in 10 µm on both valves.

Diagnostics: Sternum valve with crista marginalis dividing the striae. Striae have single transapically elongate areola distal to crista and 2–3 areolae proximal.

Comments: Abundant in GU70A-2A. This species was recently described from Indian Ocean and Pacific Ocean sites, including the Marquesas I., French Polynesia.