Amphitetras antediluviana is a species of diatoms in the family Triceratiaceae. They are native to SãO Paulo, Rio Grande Do Sul, Pernambuco, Paraná, Rio Grande Do Norte, Espirito Santo, Alagoas, and Santa Catarina. Dead Amphitetras antediluviana form siliceous oozes.
EOL has data for 12 attributes, including: