Brief note on Aura
Head one trunk fused, neck not found, tail less, two pairs of limbs, hind legs with toes, vertebrae are ten, the last one is a urostyle, ribs reduced or absent, fertilization is external.
Head one trunk fused, neck not found, tail less, two pairs of limbs, hind legs with toes, vertebrae are ten, the last one is a urostyle, ribs reduced or absent, fertilization is external.