The thin conical chambered internal shell (either straight or curved) of a belemnite. Synonym: phragmacone.
|
|
|
|
"Phragmocone" Quotes from Famous Books — The Student's Elements of Geology • Sir Charles Lyell |
Words linked to "Phragmocone" : phragmacone, shell |
Copyright © 2025 Free-Translator.com |