Glyptodonts are the direct ancestor of armadillos. They had a shell similar to that of a turtle or tortoise, and had bony tail with which to attack its enemies.
The closest living relative to humans is the chimpanzee.
The closest primate relative to humans is the chimpanzee.
Bears are from the family ursidae, while dogs are from canidae, making their closest relative the dingo.
Homo erectus is the closest known relative to modern humans.
The closest relative to humans in the animal kingdom is the chimpanzee.
The closest relative to the wombat is the koala.
The closest relative's to the llama is alpaca's,and camel's
The Bengal tiger is the tiger that is the closest living relative of the Amur tiger.
I would have to say the closest relative to the seahorse is the koala, since that is the category in which this question is located.
lynxes or closest relative for bobcats
The closest relative to humans besides primates is the bonobo, which is a type of great ape.
The giraffe's closest relative is the okapi.