protoconch

English

Etymology

From proto- +‎ conch.

Noun

protoconch (plural protoconches or protoconchs)

  1. (zoology) The embryonic shell, or initial chamber, of ammonites and other cephalopods

Coordinate terms

References

This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.