Actinocyclus normanii
- kingdom: Chromista
- phylum: Ochrophyta
- class: Bacillariophyceae
- order: Coscinodiscales
- family: Hemidiscaceae
- genus: Actinocyclus
- species: Actinocyclus normanii
Welchman Hall
Saint Thomas
BarbadosRio Vista
California
United States