ptyctodont References ptyctodont placoderm Ask Anything Homework Help Also known as: Ptyctodontida 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: arthrodireThe ptyctodonts, relatives of the arthrodires, lived in the sea and possibly fed upon mollusks. Read MoreThe ptyctodonts, relatives of the arthrodires, lived in the sea and possibly fed upon mollusks. Read More
