This chapter discusses punctate calcification group and related disorders and includes discussion on Greenberg dysplasia, chondrodysplasia punctata Conradi-Hünermann type, CHILD (congenital hemidysplasia with ichthyosiform erythroderma and limb defects) syndrome, chondrodysplasia punctata (rhizomelic type), chondrodysplasia punctata (brachytelephalangic type), chondrodysplasia punctata (autosomal dominant type), chondrodysplasia punctata (tibia-metacarpal type), and Keutel syndrome. Each discussion includes major radiographic features, major clinical findings, genetics, major differential diagnoses, and a bibliography.