BELEMNITE

belemnite

(noun) 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

Source: WordNet® 3.1


Etymology

Noun

belemnite (plural belemnites)

(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.

Synonyms

• belemnoid

• ceraunite

• elf-bolt

• thunderbolt

Source: Wiktionary


Be*lem"nite, n. Etym: [Gr. dart, fr. dart, fr. to throw: cf. F. bélemnite.] (Paleon.)

Definition: 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.

– Bel*em*nit"ic, a.

Source: Webster’s Unabridged Dictionary 1913 Edition



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