House Targaryen:
All dragons wings are attached to their front legs, heads are covered in spikes.

House Tarennis:
Wings are separate to their legs, have two perpendicular rows of spikes along their spine.

House Mellarys:
Wings conjoined by a thick membrane to front legs, legs are covered in spikes.

House Rhaentheon:
Wings are separate, have the largest wingspan, have no spikes on their bodies.

House Dallaeron:
Wings are separate, scales are reflective to look jewel-like, always solid in colour, have spikes on the neck.

House Rhaeleris:
Wings are separate, always solid in colour, pale in shade, covered in spikes all over, have the largest claws.