tongue-shell

 

tongue-shell (plural tongue-shells)

1. Any species of the brachipod genus Lingula, or similar species.

• “tongue-shell”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

•   Lingula (brachiopod) on Wikipedia.Wikipedia
•   Lingula on Wikispecies.Wikispecies