Stephen Hillenburg developed an interest in art.
The Cymbellales are a diatom order in the class Bacillariophyceae .. Bacillariophyceae. Bacillariophyceae. order. order ( biology ). class. class ( biology ). They include the following families  :. families. family ( biology ). Anomoeoneidaceae. Anomoeoneidaceae. Anomoeoneidaceae. Cymbellaceae. Cymbellaceae. Cymbellaceae. Gomphonemataceae. Gomphonemataceae. Gomphonemataceae. Rhoicospheniaceae. Rhoicospheniaceae. Rhoicospheniaceae