Species: Corethron hystrix | Diatom

Order: Biddulphiales
Family: Corethraceae

Click on the illustration to enlarge

Description: Cylindrical cells with more or less dome-shaped valves. They are  generally solitary. Girdle is composed of many bands. Spines on both valves, one valve with series of short hooked spines, in addition to the longer ones.  Chloro­plasts are flat and elongated and near the center of the cell.

Cell Size: Diameter (apical axis) = 20-40um, Length (pervalvar axis) = 20-150um

Distribution: Oceanic in the North Atlantic and North Pacific, sometimes found in inshore waters.

Interesting Facts: Picture shows a Corethron hystrix cell dviding.