Published July 21, 2017 | Version v1

Chaetoceros pseudocurvisetus Mangin 1910

  • 1. University of Zagreb, Faculty of Science, Department of Biology, Rooseveltov trg 6, HR- 10000 Zagreb, Croatia
  • 2. Stazione Zoologica Anton Dohrn, Department of Integrative Marine Ecology, Villa Comunale, 80121 Naples, Italy

Description

Chaetoceros pseudocurvisetus Mangin (1910: 350) (Figs 160–161)

Bibliography: — Hustedt (1930), Cupp (1943), Fryxell (1978), Rines & Hargraves (1988), Hernández-Becerril (1996), Hernández-Becerril & Flores Granados (1998), Shevchenko et al. (2006), Kooistra et al. (2010).

Description: —a.a.: 15–35 μm; p.a.: 16–30 μm.

LM: —Cells are united in long, curved or helical chains (Fig. 160). Cells are elliptical in valve view and rectangular in girdle view. In each cell there is a single lobed chloroplast (Fig. 161). The valve face is concave with four protuberances situated along the valve margin, two per each side of the valve positioned close to the valve apices. Each protuberance fuses with the corresponding one on the sibling valve (Fig. 161) forming a narrow oval aperture which is shorter than the cell apical axis (Fig. 161). Intercalary setae originate from the valve corners and fuse immediately without basal part. In girdle view all setae are curved towards the same, convex side of the chain (Fig. 160) while in valve view they are all bent to one side of the apical axis.

Distinctive features: —Chains curved in the pervalvar plane. Oval aperture narrower than in the very similar species C. curvisetus.

Notes

Published as part of Bosak, Sunčica & Sarno, Diana, 2017, The planktonic diatom genus Chaetoceros Ehrenberg (Bacillariophyta) from the Adriatic Sea, pp. 1-44 in Phytotaxa 314 (1) on page 32, DOI: 10.11646/phytotaxa.314.1.1, http://zenodo.org/record/13700770

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Linked records

Additional details

Biodiversity

References

  • Mangin, L. (1910) Sur quelques algues nouvelles ou peu connues du phytoplancton de l'Atlantique. Bulletin de la Societe Botanique de France 57: 344 - 350. https: // doi. org / 10.1080 / 00378941.1910.10832226
  • Hustedt, F. (1930) Die Kieselalgen Deutschlands, Osterrreichs und der Schweiz under Berucksichtigung der ubrigen Lander Europas sowie der angrenzenden Meeresgebiete. 1. Teil. Akademische Verlaggesellschaft, Leipzig, 920 pp.
  • Cupp, E. E. (1943) Marine plankton diatoms of the west coast of north America. Bulletin of the Scripps Institution of Oceanography Technical series 5: 1 - 237.
  • Fryxell, G. A. (1978) Chain-forming diatoms: three species of Chaetoceraceae. Journal of Phycology 14: 62 - 71. https: // doi. org / 10.1111 / j. 1529 - 8817.1978. tb 00633. x
  • Rines, J. E. B. & Hargraves, P. E. (1988) The Chaetoceros Ehrenberg (Bacillariophyceae) Flora of Narragansett Bay, Rhode Island, U. S. A. Bibliotheca Phycologica, Band 79, J. Cramer, Berlin, 196 pp.
  • Hernandez-Becerril, D. U. (1996) A morphological study of Chaetoceros species (Bacillariophyta) from the plankton of the Pacific Ocean of Mexico. Bullettin of the Natural History Museum of London 26: 1 - 73.
  • Hernandez-Becerril, D. U. & Flores Granados, C. (1998) Species of the diatom genus Chaetoceros (Bacilariophyceae) in the plankton from the southern Gulf of Mexico. Botanica Marina 41: 505 - 519. https: // doi. org / 10.1515 / botm. 1998.41.1 - 6.505
  • Shevchenko, O. G., Orlova, T. Y. & Hernandez-Becerril, D. U. (2006) The genus Chaetoceros (Bacillariophyta) from Peter the Great Bay, Sea of Japan. Botanica Marina 49: 236 - 258. https: // doi. org / 10.1515 / BOT. 2006.028
  • Kooistra, W. H. C. F., Sarno, D., Hernandez-Becerril, D. U., Assmy, P., Di Prisco, C. & Montresor, M. (2010) Comparative molecular and morphological phylogenetic analyses of taxa in the Chaetocerotaceae (Bacillariophyta). Phycologia 5: 471 - 500. https: // doi. org / 10.2216 / 09 - 59.1