shelly

After all, we live today in an unusual world: sea level is low, the continents are dispersed, ice occupies the poles, and the shelly fauna of the oceans is composed largely of aragonite rather than calcite.

Shrined are your offspring in a chrystal cradle, / Brighter than Helen's ere she yet had burst / Her shelly prison.

the snail, whose tender horns being hit

Shrinks backward in his shelly cave.