Biddulphia biddulphiana is a species of diatoms in the family Biddulphiaceae. They are native to Pernambuco, Rio Grande Do Norte, Alagoas, Rio Grande Do Sul, Paraná, Santa Catarina, Rio De Janeiro, Espirito Santo, and SãO Paulo. Dead Biddulphia biddulphiana form siliceous oozes.
EOL has data for 14 attributes, including: