Diploneidaceae

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 : 92

publication ID

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

DOI

https://doi.org/10.5281/zenodo.11094455

persistent identifier

https://treatment.plazi.org/id/03C487C5-430D-7379-FF71-FBD2712B9914

treatment provided by

Felipe

scientific name

Diploneidaceae
status

 

Family Diploneidaceae

Diploneis smithii (Brébisson) Cleve ( Figure 62 View Figures 60–78 ) Literature: ( Hendey 1964, pl. 32, fig. 10; Krammer and Lange-Bertalot 1986, p. 291, pl. 112, figs. 2–4; Witkowski et al. 2000, p. 193, pl. 90, figs. 7, 15, pl. 91, figs. 1–2).

Description: Length 23–30 µm, width 14–16 µm, striae 14– 16 in 10 µm.

Remarks: Only small specimens of D. smithii were encountered, but it might reach up to 200 µm. It is a rather variable species with several varieties described. The common feature which separates D. smithii from closely related taxa such as D. fusca and D. nitescens is the undivided striae which are formed of double rows of alternating areole.

Ecology and distribution: A widely distributed marine and brackish-water species, recorded from the sub-Arctic (Cardinal et al. 1984). Rare in Potter Cove.

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