Diatoms are grouped under _________AChrysophytesBProtozoansCDianoflagelletesDEuglenoidsAnswer: A. Chrysophytes Read Explanation: Diatoms are grouped under Chrysophytes. Chrysophytes comprise of golden algae, diatoms and plant like protists etc. It’s because of the golden-yellow color of the species they are named as Chrysophytes.Read more in App