I know a horse and a cow are different critters.
I know a cow and a hog are different critters.
I know a bird and a fish are different critters.
Which one of their 330 different species was not and is not classified as foraminifera?
Which one of hog, cow, and horse are not classified as a mammal? Do they not all give milk? For that matter, which of them is not classified as an ungulate? Do they not all have hooves? What makes you think that forams are all closer cousins than ungulates are?
As you typically do, you are taking the kindergarten approach to biology: "if it swims, it's a fishie!" Never mind that whales are mammals and sharks are selachimorphs......