cranidium

== English == === Etymology === Latinized form of Ancient Greek κρανίδιον (kranídion, “small skull”), from κρανίον (kraníon) +‎ -ίδιον (-ídion). === Noun === cranidium (plural cranidiums or cranidia) (anatomy) In trilobites, the part of the cephalon (the head) consisting of the glabella and the fixigenae. ==== Related terms ==== cranium