Definition, Meaning & Synonyms
ammonite
Noun
/ˈæmənaɪt/
Definition
Ammonites are extinct marine mollusks that are characterized by their spiral shells and belonged to the subclass Ammonoidea.
Examples
- Ammonites were abundant in the oceans millions of years ago.
- The fossil of an ammonite can provide insight into ancient marine environments.
- Some ammonite species could reach sizes up to two feet across.
Meaning
The term ‘ammonite’ refers to the fossilized remains of these ancient sea creatures that lived during the Mesozoic Era.
Synonyms
- Fossil mollusk
- Cephalopod
