ammonite

• Существительное, обозначающее спиральную, камерную окаменевшую раковину вымершей группы морских моллюсков, часто встречающуюся в осадочных породах.

A noun referring to the coiled, chambered fossil shell of an extinct group of marine mollusks, often found in sedimentary rock.

1. Fossilized shellC1formalscientific

   The coiled, chambered fossil shell of an extinct marine mollusk from the subclass Ammonoidea, often found in sedimentary rock.

   Окаменелая раковина

   • The cliff face was rich with ammonite fossils from the Jurassic period.
   • Collectors prize well-preserved ammonites for their intricate spiral patterns.
   • The museum displayed a large ammonite specimen that was over 100 million years old.