whētiko
1. (noun) mudflat top shell, Diloma subrostrata - a top-shaped univalve mollusc of muddy shores. The opening of the shell has a bright yellow lip.
Synonyms: whētikotiko
2. (noun) mud-flat snail, mudsnail, Amphibola crenata - an air breathing mollusc which lives in a habitat that is intermediate between the land and the sea. A very common univalve mollusc on tidal mudflats. Has a wrinkled-looking shell and was eaten in large quantities.
