Noun: keyhole limpet 'kee,hówl 'lim-pit
- Marine limpet having a conical shell with an opening at the apex
"The keyhole limpet's distinctive shell makes it easy to identify";
- Fissurella apertura, Diodora apertura
Derived forms: keyhole limpets
Type of: limpet
Part of: Fissurella, genus Fissurella
Encyclopedia: Keyhole limpet