Heliaster References Heliaster echinoderm genus 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: sea starHeliaster, a broad-disked, short-rayed genus of the western coast of Central America, may have as many as 50. Read MoreHeliaster, a broad-disked, short-rayed genus of the western coast of Central America, may have as many as 50. Read More