Cocconeis imperatrix A. Schmidt
publication ID |
https://doi.org/ 10.1515/bot-2021-0066 |
DOI |
https://doi.org/10.5281/zenodo.11094449 |
persistent identifier |
https://treatment.plazi.org/id/03C487C5-430C-7379-FCCD-FA6372E59DE9 |
treatment provided by |
Felipe |
scientific name |
Cocconeis imperatrix A. Schmidt |
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Cocconeis imperatrix A. Schmidt ( Figure 52 View Figures 39–59 )
Literature: (Al-Handal and Wulff 2008b, p. 426, figs. 46– 49; Manguin 1960, p. 305, figs. 358, 359; Riaux-Gobin and Romero 2003, p. 28, figs. 29–31, pl. 20, figs. 1–7, pl. 21, figs. 1–8).
Description: Length 38–65 µm, width 25–44 µm, striae (raphe valve) 3–4 in 10 µm.
Remarks: Scott and Thomas (2005) considered Cocconeis imperatrix as a synonym of Cocconeis fasciolata . Studying valve structure of both taxa in Potter Cove revealed noticeable variation between them so that it can be considered to be a separate entity (Al-Handal and Wulff 2008b).
Ecology and distribution: A marine species mostly reported from Antarctica. Common in Potter Cove.
Cocconeis matsii (Al-Handal, Riaux-Gobin et Wulff) Riaux-Gobin, Compère, Romero et Williams ( Figure 53 View Figures 39–59 ) Literature: (Al-Handal et al. 2010, p. 6, figs. 13–18, 25–34 as C. pinnata var. matsii ).
Description: Length 10–13 µm, width 5–7 µm, striae (rapheless valve) 7–8 in 10 µm.
Remarks: This species was originally described from Potter Cove as C. pinnata var matsii but was considered a distinct species based on stria and areola density and structure ( Riaux-Gobin et al. 2003). These authors, however, did not provide images for specimens but rather established a new combination.
Ecology and distribution: The species has not been reported outside its type locality in Potter Cove. Frequent in the material examined.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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