"Still Life with Dead Birds" by Elias Vonck
"Still Life with Fruit and Ham" by Jan Davidszoon de Heem
"Still Life with Flowers" by Willem van Aelst
"Still Life with Burning Candle" by Pieter Claesz
Each of these paintings is full of symbolic elements. I encourage you to research the concept of "vanitas". It's very interesting, and will explain what many common features in this painting (candles, shellfish, citrus fruit, books, flowers, etc.) actually symbolize.