Campylodiscus brightwellii Grunow, 1862

Joh, Gyeongje, 2021, Distribution and frequent occurrence of diatom taxa (Bacillariophyta) inhabiting warmer oceans in Seogwipo coast of Jeju Island, southernmost Korea, Phytotaxa 517 (1), pp. 1-67 : 48

74. Campylodiscus brightwellii Grunow ( Figs 161–163 , 216, 217 )

Non Synonym: Campylodiscus brightwellii Sodder.

Synonym: Campylodiscus undulatus var. brightwellii (Grunow) Peragallo.

Type locality: Red Sea .

References: Navarro 1983, p. 395, figs 50, 51; Lobban et al. 2012, p. 305, pl. 64, figs 2–4.

Morphometrics: Valves 47–94 (50–70) μm long, 48–99 μm wide, and transapical ribs in the inner area of the valve 4 (4) in 10 μm.

Remarks: Campylodiscus brightwellii was reported from the Tahiti Islands ( Ricard 1977), the Penghu Islands of Taiwan ( Li 1978), Puerto Rico ( Navarro 1983), southern China Sea ( Jin et al. 1985, Yim & Li 2000), Yap Islands ( Navarro & Lobban 2009), Guam ( Lobban et al. 2012) and Chuuk Lagoon of Micronesia ( Park et al. 2018). It is a typical tropical taxon occurring in warmer ocenas. This taxon is rare epiphytes on the seaweeds of the Seogwipo coast in Jeju Island, South Korea.

Figures

FIGURES 157–164. Diatom taxa of Seogwipo coast in Jeju Island (16). Figs 157–159. Campylodiscus ralfsii. Fig. 160. Coronia impressa. Figs 161–163. Campylodiscus brightwellii. Fig. 164. C. biangulatus. Scale bars = 10 μm.

FIGURES 213–218. Diatom taxa of Seogwipo coast in Jeju Island (22). Figs 213–215. Amphora cingulata: external view of valve. Figs 216, 217. Campylodiscus brightwellii: external view. Fig. 218. Diploneis gemmatula: internal view. Figs 213–218: SEM. Scale bars = 20 μm (Fig. 218), 10 μm (Figs 213, 216), 5 μm (Fig. 217), 2 μm (Figs 214, 215).