phragmocone en · NOUN
Etymology
From phragmo- + cone.
Meanings
-
The chambered portion of the shell of certain cephalopods, divided by septa into camerae.
This ability to continuously add new buoyancy chambers to their phragmocones allowed ancient cephalopods to reach truly stupendous sizes.
2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 37:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| phragmocones | Number=Plur | lexicographic |