Identify the correct statement about the craniofacial fibrous joints:

• a) They are characterized by presenting surfaces of contact that are generally very extended, rough, and interlocked with each other.
• b) They can adopt three classic types: dented, harmonic, and squamous.
• c) The squamous type is given by the union of the zygomatic bone with the zygomatic process of the temporal bone.
• d) The fibrous joints of the craniofacial region are classified into four types: dented, scaly, flat, and squamous.
• e) The contact between the upper edge of the vomer and the body of the sphenoid bone is an example of harmonic suture.