Petrosaviales References Quizzes All Things Green Quiz Petrosaviales plant order Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: angiosperm/ Annotated classification Order Petrosaviales Family: Petrosaviaceae. Commelinids An assemblage of 4 related monocot orders. Order Arecales Families: Arecaceae, Dasypogonaceae. Order Read More Order Petrosaviales Family: Petrosaviaceae. Commelinids An assemblage of 4 related monocot orders. Order Arecales Families: Arecaceae, Dasypogonaceae. Order Read More