Guinardia striata

Click on image to view photo information.

Taxonomic Group:Diatom
Trophic Status:Autotrophic
Size Range:15-15.2 μm wide x 96.9-145 μm long (LUMCON Guide); 6-30 μm wide (Cupp 1943); 6-45 μm wide (Horner 2002, Tomas 1997)
Key Characteristics:Cells cylindrical and curved; united in curved, often spiral, chains; strong hook-like spine on valve margin fits into depression in the adjacent cell; numerous chloroplasts that are small and oval; nucleus near cell wall
Confused With:
Toxin:None known