The central column of the shell. The columella runs from the apex of the shell to the midpoint of the under-surface of the shell, or the tip of the siphonal canal
Gastropod Shell:
There is currently no content classified with this term.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
