phragmocone

English

Etymology

From phragmo- +‎ cone.

Noun

phragmocone (plural phragmocones)

  1. (malacology) The chambered portion of the shell of certain cephalopods, divided by septa into camerae. [from 19th c.]
    • 2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 37:
      This ability to continuously add new buoyancy chambers to their phragmocones allowed ancient cephalopods to reach truly stupendous sizes.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.