Protozoa (Alphanumeric) Helicosporidium sp. (ATCC® 50920™) ATCC® Number: 50920 ™ Organism: Helicosporidium sp. Strain: Sj-1 Depositor: DG Boucias For-Profit: $354.00 Non-Profit: $295.00 Add to Cart Preview Product Compare Isolation: black fly larvae, Simulium jonesi, Hatchet Creek, Alachua County, FL, 1998 Biosafety Level: 1 Product Sheet Certificateof Analysis MSDS 1