phragmocone

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Definitions from WordNet

Noun phragmocone has 1 sense

phragmocone, phragmacone - the thin conical chambered internal shell (either straight or curved) of a belemnite
--₁ is a kind of shell

Definitions from the Web

Term: Phragmocone

Noun:

A phragmocone refers to the chambered part of a cephalopod shell, such as those found in ammonites or nautiluses. It is the internal structure that houses the animal and provides buoyancy control.

Example sentence:

The intricate design of the phragmocone in certain fossils is a testament to the diversity of ancient cephalopods.

Related Products:

Cephalopod Fossils

Ammonite Shells

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