This first one is a large welk with babies. The second is a cockle that I found with both halves still attached.
These are gifts from a sweet friend. The first one is made from worm shells and a sharks eye shell. The second one is made of buttercups and the flower is on a small piece of driftwood. Both were made by Sanibel Shell Crafters. They have their shell craft items on display at the Sanibel Community Center.