belemnite (Meaning)

Wordnet

belemnite (n)

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

Webster

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.

Synonyms & Antonyms of belemnite

No Synonyms and anytonyms found

belemnite Sentence Examples

  1. Belemnites were marine cephalopods that flourished during the Mesozoic Era.
  2. The streamlined belemnite body resembled that of a squid or an arrow.
  3. The rostrum, or "bullet," of a belemnite was made of aragonite, a crystalline form of calcium carbonate.
  4. The phragmocone, or living chamber, of a belemnite was located at the posterior end.
  5. The proostracum, or guard, of a belemnite was a protective sheath that enclosed the rostrum.
  6. Belemnites possessed ten arms and utilized a hyponome, or funnel organ, for locomotion.
  7. Belemnite fossils are abundant in sedimentary rocks from the Jurassic and Cretaceous periods.
  8. The "fossilized ink" known as belemnitella is the result of the preservation of belemnite ink sacs.
  9. The study of belemnites has provided insights into Mesozoic ocean environments.
  10. Belemnites formed significant components of marine ecosystems and served as prey for large predators.

FAQs About the word 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 f

No synonyms found.

No antonyms found.

Belemnites were marine cephalopods that flourished during the Mesozoic Era.

The streamlined belemnite body resembled that of a squid or an arrow.

The rostrum, or "bullet," of a belemnite was made of aragonite, a crystalline form of calcium carbonate.

The phragmocone, or living chamber, of a belemnite was located at the posterior end.