Chaetoceros contortus is a species of diatoms in the family Chaetocerotaceae. They are native to Rio Grande Do Norte, Paraná, Rio De Janeiro, Pernambuco, SãO Paulo, Santa Catarina, Bahia, Rio Grande Do Sul, and Pará. Dead Chaetoceros contortus form siliceous oozes.
EOL has data for 10 attributes, including: