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phragmacone

/ˈfræɡ.mə.kəʊn/

1 entry

noun

C2formalcommonscientific/ˈfræɡ.mə.kəʊn/

A noun referring to the thin, conical, chambered internal shell of a belemnite, which may be either straight or curved.

  • 🇷🇺Существительное, обозначающее тонкую коническую камерную внутреннюю раковину белемнита, которая может быть как прямой, так и изогнутой.
  1. Internal shell of a belemnite C2 formal scientific

    The thin, conical, chambered internal shell (either straight or curved) of a belemnite, an extinct cephalopod.

    • The fossilized phragmacone was carefully extracted from the limestone.
    • Paleontologists studied the chambers of the phragmacone to understand the belemnite's buoyancy.
    • The curved phragmacone of this specimen suggests a distinct species.

    🇷🇺Внутренняя раковина белемнита