Home » Frustules are found in which of the following algae? Algae MCQs Frustules are found in which of the following algae? December 31, 2021 12 Views Q. Frustules are found in which of the following algae? BacillariophycophytaChlorophycophytaEuglenophycophytaRhodophycophyta Answer: Bacillariophycophyta