8. Cocconeis cyclophora var. meisteri Riaux-Gobin (Figs 62, 63)

Basionym: Riaux-Gobin et al. 2017, p. 58, figs 55–58.

Description: Valves elliptical to linear-elliptical, 22–24 μm long, 12–13 μm wide. SV: sternum broad, slightly sigmoid and enlarged between the center and ends of valve. A large ocellus in the middle on one side of the valve. Transapical striae radiate towards the apices, 24 in 10 μm, with 23 areolae in 10 μm of stria, a few small hyaline areas lacking areolae on each side of the sternum near the margins, a large hyaline area in the middle connected to the sternum. RV: a complete frustule observed with sigmoid raphe.

Remarks: This taxon was reported from the type locality, Nagasaki of Japan (Riaux-Gobin et al. 2017).Along the Seogwipo coast of Jeju Island, it was encountered a few times in seaweeds collected from small rock pools; it is herein newly described for South Korea.