belemnit
belemnit
a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae [konica kalcitnega fosila, ki se na enem koncu zožuje do točke, na drugem koncu pa vsebuje stožčasto votlino s (ko ni poškodovan) majhno komorno phragmocono iz lupine mnogih izumrlih glavonožcev iz družine Belemnitidae]