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Scientific Name: Chaetoceros radicans F.Schütt, 1895
Local/Bangla Name: Not Known
- Not Known - Chaetoceros radicans - Type: Phytoplankton

Photo: Karl Bruun (Algae Base)

Classification:
Kingdom: Chromista
Phylum: Bacillariophyta
Class: Bacillariophyceae
Order: Chaetocerotanae incertae sedis
Family: Chaetocerotaceae
Description:
Colonies can be straight, curved, or slightly twisted, of moderate length. Cells are rectangular when viewed from the girdle, with a low mantle and narrow foramina. Setae are long and slender without a basal part, with capilli (long spines) exclusively on the intercalary setae. Both intercalary and terminal setae diverge nearly perpendicular to the colony axis and cross over at the colony margin. Each cell contains one chloroplast.In SEM, valves are broad and flat, with radiating costae from an eccentric annulus. The rimoportula is a flattened-tube structure externally, and a slit along the apical axis internally. Setae are circular in cross-section with random spines of varying length, except at the base, which has small poroids.Resting spores come in pairs with dome-shaped, smooth primary valves and flattened, smooth secondary valves. Sibling setae of resting spores fuse at a short distance after bending around the cell.
Habitat & Distribution in Bangladesh:
Southeast Coast of Bay of Bengal, Bangladesh
Environment:
Marine
Main References:

Sarker S, Sultana T, Islam N, Hossain MS, Huda AS, Zulkarnain KM, Sharifuzzaman SM (2021) Phytoplankton ecology in different coastal habitats along the northern Bay of Bengal. Marine Ecology, 42(6), e12679.

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