Lauderia annulata
Click on image to view photo information.
Laude_sp1.jpg Laude_sp3.jpg Laude_sp4.jpg
Taxonomic Group: Diatom
Trophic Status: Autotrophic
Size Range: 25-27.5 ?m wide x 36-47.5 ?m long (LUMCON Guide); 28-47 ?m wide (Cupp 1943); 24-75 ?m wide (Horner 2002, Tomas)
Key Characteristics: Cells cylindrical, slightly longer than wide; valves rounded at the margins, with numerous strutted processes of varying lengths; cells in thick straight chains, touching by their valve surfaces; numerous small chloroplasts
Confused With:
Toxin: None known