The skin between the fingers and toes may be fused (cutaneous syndactyly). This disorder is also characterized by widely spaced eyes (ocular hypertelorism), an abnormally large head size (macrocephaly), and a high, prominent forehead. Rarely, affected individuals may have more serious medical problems including seizures and developmental delay.
Greig cephalopolysyndactyly syndrome
Ectrodactyly–ectodermal dysplasia–cleft syndrome
Tricho–rhino–phalangeal syndrome type 2
Laron syndrome
Pott disease
Singleton Merten syndrome
Fox–Fordyce disease
Scott syndrome