belemnitidae

• Таксономическое семейство вымерших головоногих моллюсков, живших в мезозойскую эру, характеризующихся пулевидными внутренними раковинами.

A taxonomic family of extinct cephalopod mollusks that lived during the Mesozoic era, characterized by their bullet-shaped internal shells.

proper noun

1. Extinct cephalopod familyC2formalscientific

   A family of extinct marine cephalopods that lived during the Mesozoic era, characterized by a bullet-shaped internal shell called a rostrum.

   Вымершее семейство головоногих

   • Fossils of Belemnitidae are commonly found in Jurassic and Cretaceous rock formations.
   • The rostrum of Belemnitidae is often the only part preserved in the fossil record.
   • Paleontologists study Belemnitidae to understand ancient marine ecosystems.