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What does the Acraniata include?
Acraniata is a group of organisms that have no distinct cranium, that is they have no true skull. They are small, headless, marine forms. It includes urochordates, cephalochordates, and hemichordates. These are marine, cranium-free animals, without jaws, vertebral column, and paired appendages.
Acraniata is a group of organisms that have no distinct cranium, that is they have no true skull. They are small, headless, marine forms. It includes urochordates, cephalochordates, and hemichordates. These are marine, cranium-free animals, without jaws, vertebral column, and paired appendages.