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Glite Dictionary
phragmacone

phragmacone

9.9
A thin cone-shaped inner shell with chambers that helped an extinct sea animal like a squid float
  • noun
  • /ˈfræɡməˌkoʊn/
  • Specialized
: fragma cónico
  • The structure of the phragmacone allowed belemnites to control their buoyancy in the water.

Examples

  • The fossilized phragmacone provided valuable information about the ancient belemnite's anatomy.

  • After careful excavation, the scientist uncovered a perfectly preserved phragmacone in the limestone.

  • The phragmacone is fascinating.

  • What is a phragmacone?

  • After careful excavation, the scientist uncovered a perfectly preserved phragmacone in the limestone.

  • The fossilized phragmacone provided valuable information about the ancient belemnite's anatomy.

  • The structure of the phragmacone allowed belemnites to control their buoyancy in the water.

Synonyms

phragmocone
vsphragmacone
  • Specialized
9.9

A thin cone-shaped inner shell with chambers from an extinct squid-like animal

is used only for that shell in belemnites rather than other extinct cephalopods

Surface Forms

phragmacone singular
phragmacones plural

Etymology

Phragmacone comes from Greek parts phragm- 'partition' and -cone 'cone', so imagine a cone with internal walls that make small chambers. It is the cone-shaped, chambered internal shell of a belemnite, an extinct sea animal like a squid, and those chambers helped it float.