What is the collective noun for sea shells?

There isn't one universally accepted collective noun for sea shells. However, here are some options that are often used:

Common options:

* Pile of seashells

* Collection of seashells

* Heap of seashells

* Assortment of seashells

More poetic options:

* Drift of seashells

* Scatter of seashells

* Treasure of seashells

Ultimately, the best collective noun to use depends on the context and the specific kind of seashells you're referring to.