Short-Rib Thoracic Dysplasia 19 with or Without Polydactyly, is also known as srtd19. An important gene associated with Short-Rib Thoracic Dysplasia 19 with or Without Polydactyly is IFT81 (Intraflagellar Transport 81). Affiliated tissues include pancreas and liver, and related phenotypes are prominent occiput and dolichocephaly