Definition of belemnite Belemnite

bel•em•nite

We found 5 definitions of belemnite from 5 different sources.

What does belemnite mean?

Noun Plural: belemnites
belemnite - 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
		fossil the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil
		belemnitidae, family belemnitidae family of extinct Mesozoic cephalopods

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belemnite (Noun)
An extinct group of Mesozoic marine cephalopod, very similar in many ways to the modern squid and closely related to the modern cuttlefish.

belemnite (n.)
A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages.

belemnite
bel′em-nīt, n. a fossil pointed like a dart, being the internal shell of a genus of cephalopods, formerly known as Thunder-bolt, Thunder-stone, Elf-bolt. [Gr. belemnitēs—belemnon, a dart.]