noun
- extinct marine cephalopods with bullet-shaped internal shells, related to modern squid and cuttlefish
Usage: paleontology
Examples
- The museum displayed several fossilized belemnites from the Jurassic period.
- Belemnites were abundant in ancient seas millions of years ago.
- The paleontologist identified the belemnites by their distinctive bullet-shaped fossils.
- Children often mistake belemnite fossils for bullets or cigars.
- Belemnites had ten arms and lived in the ocean like modern squid.
- The limestone contained numerous well-preserved belemnites.