Cocconeis costata var. hexagona Grunow, 1880

Al-Handal, Adil Y., Torstensson, Anders & Wulff, Angela, 2022, Revisiting Potter Cove, King George Island, Antarctica, 12 years later: new observations of marine benthic diatoms, Botanica Marina (Warsaw, Poland) 65 (2), pp. 81-103 : 91

publication ID

https://doi.org/ 10.1515/bot-2021-0066

DOI

https://doi.org/10.5281/zenodo.11094445

persistent identifier

https://treatment.plazi.org/id/03C487C5-430C-7378-FCCD-FF4677C19D01

treatment provided by

Felipe

scientific name

Cocconeis costata var. hexagona Grunow
status

 

Cocconeis costata var. hexagona Grunow ( Figure 49 View Figures 39–59 )

Literature: ( Riaux-Gobin and Romero 2003, p. 24, figs. 4, 5, pl. 3, figs. 1–10; Witkowski et al. 2000, p. 104, pl. 35, figs. 14, 15, pl. 38, fig. 35).

Description: Length 22–27 µm, width 9–12 µm, striae (raphe valve) 14–15 in 10 µm.

Remarks: The transverse fascia of the central area in the observed specimens did not reach valve margin as normally observed in this species ( Riaux-Gobin and Romero 2003).

Ecology and distribution: Widely distributed marine benthic and epiphytic species, Reported from the Arctic ( Hsiao 1980). Rare in Potter Cove.

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