Marine Biology (2+1)

1.Genus: Coscinodiscus-| Diatom

Diatoms  

                                                              

1.Genus: Coscinodiscus-|

Coscinodiscus centralis

Order: Biddulphiales

Family: Coscinodiscaceae

Description: Cells are disc-shaped, cylindrical or wedge-shaped, and solitary. Distinct rosette of large areolae in the center of the valve. Numerous chloroplasts.

Cell size: Diameter (apical axis) = 30-500 µm

Distribution: Widespread - warm water to boreal.

Interesting facts: Usually regarded as one of the largest marine planktonic diatom genera.