The spider with a light yellow spiked shell and black dots is the star spider. The star spider is commonly found is the Southern parts of the United States and Central America.
Spiders do not have shells. They have an exoskeleton. Many spiders are yellowish green. For help identifying a spider, go to spiderzrule.com.
Possibly the yellow sac spider
That is a mushroom spider. I had one in my garden.
Arachnic
a garden spider
What ya got there is a spiny-back spider. See Related Links for some pics.
The type of spider you want to stay away from.
A Garden Spider
A kind of spider that has a back that looks like a skull with lime green legs and a white back could be a Golden Silk Spider. The skull is clearly marked on a Golden Silk Spider.
the spider is the crab spider
They have a shell to protect their back.
If you found a spider that is black, not fuzzy and has a yellow design on its back, his could mean that you found a banana spider. These are common in Oklahoma.
WHAT KIND OF SPIDER IS A WHITE SPIDER WITH A BRIGHT ORANGE PATTERN ON ITS BACK
a spider known as a cross spider usaually found in the uk