A closer view of the animal in its shell. Anterior is to the right. Note the rasping anterior portion of the shell, which occupies about 1/2 the shell length, and the white foot which protrudes both dorsally and ventrally.
Zirfaea pilsbryi found burrowing in hard mud in Fidalgo Harbor under the railroad trestle.. Total length 7 cm, shell length 4 cm. The anterior of the shell and the white protruding foot are on the left. The siphons are on the right. (Photo by: Dave Cowles, August 2006)
