phragmacone

ریشه

The word 'phragmacone' is derived from the Greek words 'phragma' meaning 'fence' and 'konos' meaning 'cone'.

مثال

• The phragmacone of ammonites contained a series of chambers.
• The study of phragmacones provides insights into the evolution of ancient cephalopods.
• The intricate structure of the phragmacone allowed for buoyancy control in nautiloids.

ترکیب‌های رایج

Phragmacone of ammonites Phragmacone structure Extinct cephalopods Ammonites and nautiloids