Definition of belemnite in English:

Share this entry


Pronunciation: /ˈbeləmˌnīt/


An extinct cephalopod mollusk with a bullet-shaped internal shell that is often found as a fossil in marine deposits of the Jurassic and Cretaceous periods.
  • Order Belemnoidea, class Cephalopoda: many genera
Example sentences
  • These turned out to be remains from the tentacles of extinct squid-like belemnites.
  • They included the great marine reptiles such as ichthyosaurs and plesiosaurs, but also smaller creatures such as ammonites and belemnites - the precursor's of today's squid.
  • Urgonian facies are also characterized, negatively, by the absence of ammonites and belemnites.


Early 17th century: from modern Latin belemnites, based on Greek belemnon 'dart'.

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.