Acrocephalosyndactylia (or acrocephalosyndactyly) is the common presentation of craniosynostosis and syndactyly. Cause Diagnosis Classification It has several different types: type 1 – Apert syndrome type 2 – Crouzon syndrome type 3 – Saethre–Chotzen syndrome type 4 - Goodman Syndrome type 5 – Pfeiffer syndromeA related term, "acrocephalopolysyndactyly" (ACPS), refers to the inclusion of polydactyly to the presentation. [Source: Wikipedia ]