Here is an excellent list from George Mateljan’s ‘The World’s Healthiest Foods’ website. Although certain foods do not fall within the realm of the Paleo lifestyle, each nutrient listed below has Paleo acceptable foods to ensure your getting essential daily recommendation:
Essential nutrients are nutrients that your body can’t make on its own. How these nutrients are introduced into your body may have a great impact on how well they are utilized. Nutrients do not work alone but in concert (synergistically) with other nutrients. The benefit of deriving nutrients from eating fresh whole foods such as those included on the list of the World’s Healthiest Foods is that they provide not only an abundance of individual nutrients but also the variety necessary for their optimal function. This section is designed to inform you about the function of the various nutrients and which of the World’s Healthiest Foods are the richest source for each of them.