(n) :
(paleontology) Any 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.
(n) :
(paleontology) Any 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.