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The thin conical chambered internal shell (either straight or curved) of a belemnite
Answer for the clue "The thin conical chambered internal shell (either straight or curved) of a belemnite ", 11 letters:
phragmocone
Word definitions for phragmocone in dictionaries
Wiktionary
Word definitions in Wiktionary
n. The chambered portion of the shell of a cephalopod, divided by septum into camerae.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Phragmocone \Phrag"mo*cone\, n. [Gr. ?, ?, a fence, an inclosure + ? a cone.] (Zo["o]l.) The thin chambered shell attached to the anterior end of a belemnite. [Written also phragmacone .]
Wikipedia
Word definitions in Wikipedia
The phragmocone is the chambered portion of the shell of a cephalopod . It is divided by septa into camerae . In most nautiloids and ammonoids , the phragmocone is a long, straight, curved, or coiled structure, in which the camarae are linked by a siphuncle ...
WordNet
Word definitions in WordNet
n. the thin conical chambered internal shell (either straight or curved) of a belemnite [syn: phragmacone ]