frontal margin have rows of vein-like structures (strengthening rays). The neck region have at least 3 pairs of slender, reduced anterior flaps. The trunk terminated with a pair of long furcae (streamers).

Amplectobelua shares a unique feature among radiodonts with Ramskoeldia, in having gnathobase-like structures (GLSs) underneath its neck region, at least 6, up to eight. They functioned like the gnathobases of arthropods, being able to rotate and move to shred