noun🔗ShareAny member of the extinct order †Belemnitida of Mesozoic marine cephalopods, very similar in many ways to the modern squid and closely related to the modern cuttlefish."While hiking along the coast, my daughter found a fossil shaped like a bullet; our science teacher later identified it as a belemnite, the internal shell of an ancient squid-like creature. "geologybiologyanimaloceanChat with AIVocabulary GamePractice Reading
