Chaetoceros coarctatus is a species of diatoms in the family Chaetocerotaceae. They are native to SãO Paulo, Rio Grande Do Sul, Alagoas, Rio De Janeiro, Pernambuco, Paraná, Rio Grande Do Norte, Maranhao, Espirito Santo, and Sergipe. Dead Chaetoceros coarctatus form siliceous oozes.
EOL has data for 29 attributes, including: