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Scientific Name: Stephanodiscus sp. C.G. Ehrenberg, 1845
Phytoplankton : Stephanodiscus sp.

Photo: EcoA_nladiatoms_2012 (flickr)

Classification:
Kingdom: Chromista
Phylum: Bacillariophyta
Class: Bacillariophyceae
Order: Thalassiosirales
Family: Stephanodiscaceae
Description:
The cells typically exhibit a discoid or barrel-shaped morphology, often with fine organic threads extending from the edges of the valve. A ring of spines surrounds the valve face, while numerous discoid plastids are present. The valve surface may appear flat or exhibit concentric undulations. These cells are distinguished by fasciculate radial striae, with internal ribs that vary in strength. They commonly form colonies, and some species may adopt a colonial growth pattern depending on environmental conditions.
Habitat & Distribution in Bangladesh:
It is a diverse and widespread planktonic genus of freshwater, primarily lentic habitats.
Environment:
Freshwater
Main References:

Rahman AKA, Kabir SMH, Ahmad M, Ahmed ATA, Ahmed ZU, Begum ZNT, Hassan MA, Khondoker M (2009) Encyclopedia of flora and fauna of Bangladesh, Vol. 24. Marine Fishes. Asiatic Society of Bangladesh, Dhaka, Bangladesh, 485 p.

Other References:
DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Other Information