For all of you, I urge you look around in your area who does pet funerals. They will have a service if you like and bury the pet. We opted to have Precious cremated, and she resides in our dining room with us forever. She will move with my boy when the time comes. The cost is more than reasonable, it's downright cheap. A local funeral home does the pick up from the vet's, cremation, and delivery to your home.
Had mine cremated. We are a family of dog owners, many dogs among myself, my brother, cousins, aunt's and my grandmother over the years. Most of them that are no longer with us were cremated, maybe 7 or 8 in all. About a year ago one of my Aunts was in with the funeral director making some arrangements for another family member that had passed and they got to talking about the subject of pets and my Aunt just asked him off the cuff about it being possible to have the urns placed in a coffin with somebody and he said that wouldn't be a problem.
Her, myself and my other Aunt got together and talked about it and decided that who ever goes first between the three of us, will have plenty of company.