Chaetoceros concavicornis   Mangin,  1917 (Diatom)
Organism information awaits expert curation
Class: Bacillariophyceae
Order:Chaetocerotanae incertae sedis

Size: Cell length 30 µ and Breadth 18 µ.

Color: Yellow brown in color, not green.

It is a phytosynthetic species.
Cells united to form straight chains; valves elliptical to circular, upper valve rounded with higher cylindrical valve mantle and setae emerging from the centre of valve, lower having a flat surface, with setae emerging from valve margin; setae of both valves divided in sweeping concave curves to lower end of chain, curving inward.

Reproduction is both sexual asexual.

Synonym (s)
Chaetoceros criophilus sensu Hust. In A. Schmidt, 1921, non Castr., 1886
Chaetoceros volans Schutt, 1895

Common Name (s)
Economic Importance and Threats

Habitat:  Pelagic
Predator:  Marine microorganisms and animal larvae.


• Kerala, Kochi Backwaters (Lat: 9.06) (Long: 74.66) INDIA (Record: 11/1963)
• West Coast INDIA

Literature Source(s)
  • Gopinathan, CP (1975) On new distributional records of plankton diatoms from the Indian seas Journal of Marine Biology Association of India Marine Biological Association of India 17(1) 223-240 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Hogskolen i Bergen Available at -

Page last updated on:2010-11-22

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